HADRON INC
8-K, 2000-04-14
COMPUTER PROGRAMMING, DATA PROCESSING, ETC.
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               SECURITIES AND EXCHANGE COMMISSION
                     Washington, D.C. 20549





                            FORM 8-K

                         CURRENT REPORT
             Pursuant to Section 13 or 15(d) of the
                 Securities Exchange Act of 1934


Date of Report (Date of earliest event reported): March 30, 2000


                          HADRON, INC.
     (Exact name of registrant as specified in its charter)

    NEW YORK                0-5404              11-2120726
(State or other jurisdiction(Commission File Number)(IRS Employer
 of incorporation)                         Identification No.)


        5904 Richmond Highway, Suite 300, Alexandria, Virginia
                             22303
            (Address of principal executive offices)
                           (Zip Code)


Registrant's telephone number, including area code:     (703)329-9400




  (Former name or former address, if changed since last report)

<PAGE>
              The Exhibit Index appears on Page 6.

   Item 1.    Changes in Control of Registrant.

   Hadron,  Inc.  (the "Corporation") entered into  a  securities
purchase agreement dated March 30, 2000 (the "Securities Purchase
Agreement") with Jon M. Stout ("Stout"), Patricia W. Stout  ("Ms.
Stout"),  the  Stout Dynastic Trust ("Stout Trust"),  J.  Richard
Knop  ("Knop")  and  John  D.  Sanders ("Sanders")  (collectively
Stout, Ms. Stout, Stout Trust, Knop and Sanders being referred to
as  the  "Purchasers")  and C.W. Gilluly  ("Gilluly")  which  was
consummated on March 30, 2000 (the "Closing Date").   Stout,  Ms.
Stout,  Stout Trust and Knop, are collectively referred to herein
as the "Investors."

   On  the  Closing  Date,  pursuant to the  Securities  Purchase
Agreement,  the Purchasers purchased 2,250,000 shares  of  Common
Stock  (the  "Shares")  and warrants to  purchase  an  additional
2,025,000  shares of Common Stock (the "Purchase  Warrants").  In
addition,  two  members of the Corporation's Board of  Directors,
William  Howard  and Robert J. Lynch, Jr. have resigned  and  Mr.
Stout  was  appointed to serve the unexpired term of one  of  the
directors.   Promptly  upon compliance with the  requirements  of
Section 14(f) of the Securities Exchange Act of 1934, as amended,
and Rule 14(f)-1 promulgated thereunder, two additional designees
of  Investors  will  be appointed to serve the  vacant  unexpired
terms  of office of former members of the Corporation's Board  of
Directors.  As a result, the Purchasers hold 2,313,475 shares  or
45.7%  of the Corporation's issued and outstanding Common  Stock.
Prior to the purchase, the Corporation's Chairman and former CEO,
Gilluly,  was  the  largest single holder  of  the  Corporation's
Common Stock, owning 501,875 shares or 17.9% of the Corporation's
issued and outstanding Common Stock.  The total consideration  of
$877,500  was paid in cash and was reported by the Purchasers  to
represent  personal funds and funds held in a  family  trust  for
which Stout acts as trustee.

   On   the   Closing  Date,  following  the  execution  of   the
Securities  Purchase Agreement, Purchasers, Gilluly and  six  (6)
affiliates of Boles Knop & Company L.L.C. entered into a five (5)
year  voting  agreement ("Voting Agreement").   Pursuant  to  the
Voting Agreement, during its term, each party agrees to vote  all
of  the Common Stock registered in his or her respective name and
to  take all necessary actions so that (i) the authorized  number
of  members of the Board of Directors would continue to  be  five
(5) unless and until a greater number is directed or approved  by
the  Investors; (ii) the Investors would be entitled to  nominate
(the  "Investor Nominees") and to elect the Investor Nominees  as
the  majority  of  the members of the Board; (iii)  any  Investor
Nominee  shall  only be removed from the Board  with  or  without
cause,  only  upon written request or consent of  the  Investors;
(iv)  in the event the Investor Nominee for any reason ceases  to
serve  as  a  member of the Board of Directors, or any  committee
thereof,  during his term of office, the resulting vacancy  shall
be  filled by a newly designated Investor Nominee; and  (v)  upon
the   written   direction  or  consent  of  the  Investors,   the
Corporation  shall take such actions as necessary to  change  its
corporate domicile to the state of Delaware.

   As  a  result of the Purchaser's acquisition pursuant  to  the
Securities  Purchase Agreement and the execution and delivery  of
the Voting Agreement, the Investor members holding a majority  of
the  shares of Common Stock held by all Investors have the  power
to  vote or direct the vote of 2,866,875 shares or 56.7%  of  the
Corporation's issued and outstanding Common Stock on all  matters
governed  by  the Voting Agreement.  Further, in  the  event  all
presently exercisable warrants and options held by all parties to
the Voting Agreement were exercised, the Investor members holding
a  majority of the shares of the Corporation's Common Stock  held
by all Investors would have the power, on all matters governed by
the  Voting Agreement, to vote 5,813,885 of the 8,006,536  shares
of  the  Corporation's Common Stock which would, as a result,  be
issued and outstanding or 72.6%, which is deemed to be the direct
and indirect beneficial ownership of the Investors.

On the Closing date, the Corporation, the Investors, Gilluly,
Sanders, George F. Fowler, S. Amber Gordon, Robert J. Lynch,
Donald E. Jewell, Jack Boles, Richard Miller, Susan Wright, Jeff
Rubin, Jonathan Catherwood and Bob Wright (the "Holders") entered
into a registration rights agreement (the "Registration Rights
Agreement").  Pursuant to the Registration Rights Agreement,
Investors holding a majority in interest in the outstanding
Registrable Securities (as defined in the Registration Rights
Agreement) have one right to demand that the Corporation register
all, or any portion, of their Registrable Securities for public
sale, in the manner specified in the Registration Rights
Agreement (the "Demand Registration Right").  In addition, such
Investors have the right, on unlimited occasions, to participate
and have registered all, or a portion, of their Registrable
Securities in the event the Corporation undertakes a public
offering of its Common Stock, in the manner and on the terms set
forth on the Registration Rights Agreement (the "Piggyback
Registration Rights").  The parties to the Registration Agreement
other than the Investors also have the right to participate and
have all, or a portion, of their Registrable Securities included
in a registration statement as to which the Investors exercise
either their Demand Registration Right or Piggyback Registration
Rights above-described, in the manner and on the terms specified
on the Registration Rights Agreement.

<PAGE>
Item 5.    Other Events.

   In  connection with the Securities Purchase Agreement,  United
Bank  (the "Bank") delivered a letter to the Corporation agreeing
to  waive certain financial covenants set forth in Section  VI(A)
of  the  June  29, 2000 loan and security agreement  between  the
Bank,  the  Corporation, Avenue Technologies, Inc, Vail  Research
and  Technology Corporation, SyCom Services, Inc., Engineering  &
Information  Services, Inc, (collectively, the  "Borrowers")  and
Gilluly  in  the  original principal amount  of  $1,500,000  (the
"Loan"),   upon  the execution and delivery  to  the  Bank  of  a
guaranty  of  payment  from Stout and  an  amended  and  restated
guaranty  by  Gilluly and Martha Alice Gilluly  (the  "Gillulys")
whereby  Stout  would agree to guaranty payment of fifty  percent
(50%)  of the principal amount of the outstanding balance of  the
Loan  in an amount not to exceed $750,000 and the Gillulys  would
agree  to  guaranty payment of fifty percent (50%) the  principal
amount  of  the outstanding balance of the Loan and the execution
of  a subordination agreement of the $430,000 Note dated February
15, 2000 from the Corporation to Gilluly.

   On  April 12, 2000, the Bank, the Borrowers, the  Gillulys and
Stout  (collectively, the "Guarantors") entered into an agreement
to   modify  and  extend  the  term  of  the  Loan  (the   "First
Modification  and Extension Agreement").  Pursuant to  the  First
Modification   and   Extension  Agreement,  the   Borrowers   and
Guarantors  acknowledged that there are no set-offs  or  defenses
against  the Note or the Loan and the maturity date of  the  Note
was extended to October 31, 2000.  The Bank and the Gillulys also
executed  an  amended and restated guaranty of payment  ("Amended
and   Restated  Guaranty  of  Payment")  whereby  the   Gillulys'
liability on their obligations is not to exceed the lesser of (i)
fifty  percent  (50%) of the principal amount of the  outstanding
balance of the Loan, and (ii) $750,000.   The Bank, the Borrowers
and  Stout  entered into a guaranty of payment on the  same  date
("Guaranty  of  Payment"),  pursuant to  which  Stout  agreed  to
guaranty the Loan, provided, however, that his liability  is  not
to  exceed the lesser of (i) fifty percent (50%) of the principal
amount  of the outstanding balance of the Loan and (ii) $750,000.
In addition, the Bank, Gilluly and the Corporation entered into a
subordination agreement whereby Gilluly agreed to Subordinate the
lien and payment of that certain $430,000 Note dated February 15,
2000  from the Corporation to Gilluly to the payment in  full  of
any  liabilities of the Corporation to the Bank and to any liens,
encumbrances   or  other  security  for  the  payment   of   such
liabilities   to   the  Bank.   Pursuant  to  the   subordination
agreement, the Bank consented to the payment of $200,000  of  the
aforesaid  $430,000 Note to Gilluly pursuant  to  the  Securities
Purchase  Agreement, and further agreed to permit the payment  of
the  balance  of  $230,000 of such Note, in accordance  with  the
Securities Purchase Agreement, provided the Corporation was  then
in  compliance  with  certain covenants  contained  in  the  Loan
Agreement as modified and extended.

<PAGE>
                           SIGNATURES


   Pursuant  to  the requirements of the Securities Exchange  Act
of  1934, the registrant has duly caused this report to be signed
on its behalf by the undersigned hereunto duly authorized.


Date:  April 14, 2000                        HADRON, INC.
                                             (Registrant)


                                   By:  /s/ JON M. STOUT

                                        Chief Executive Officer

<PAGE>


                          EXHIBIT INDEX

4.1  Warrant issued to Jon M. Stout to purchase up to 235,161
     shares of Hadron, Inc.'s Common Stock.

4.2  Warrant issued to Patricia W. Stout to purchase up to
     230,769 shares of Hadron, Inc.'s Common Stock.

4.3  Warrant issued to Stout Dynastic Trust up to 1,015,380
     shares of Hadron, Inc.'s Common Stock.

4.4  Warrant issued to J. Richard Knop to purchase up to 462,690
     shares of Hadron, Inc.'s Common Stock.

4.5  Warrant issued to John D. Sanders to purchase up to 81,000
     shares of Hadron, Inc.'s Common Stock.

9.1  Voting Agreement among certain holders of the common stock
     of Hadron, Inc., C.W. Gilluly and Jon M. Stout, Patricia W.
     Stout, the Stout Dynastic Trust and J. Richard Knop dated March
     30, 2000.

10.1 Securities Purchaser Agreement among Hadron, Inc., C.W.
     Gilluly, Jon M. Stout, Patricia W. Stout, the Stout Dynastic
     Trust and J. Richard Knop dated March 30, 2000.

10.2 Registration Rights Agreement dated March 30, 2000 among
     Hadron, Inc, Jon M. Stout, Patricia W. Stout, Stout Dynastic
     Trust and J. Richard Knop.

10.3 First Modification and Extension Agreement United Bank.
     Hadron, Inc., Avenue Technologies, Inc., Vail Research and
     Technology Corporation, Sycom Services, Inc. and Engineering and
     Information Services, Inc. and C.W. Gilluly, Martha Alice Gilluly
     and Jon M. Stout dated April 12, 2000.

10.4 Amended and Restated Guaranty of Payment between United Bank
     and C.W. Gilluly and Martha Alice Gilluly dated April 12, 2000.

10.5 Guaranty of Payment between United Bank and Jon Stout dated
     April 12, 2000.

10.6 Subordination Agreement among C.W. Gilluly, United Bank and
     Hadron, Inc. dated April 12, 2000.






                             WARRANT

THE  SECURITIES  REPRESENTED HEREBY AND THE  SECURITIES  ISSUABLE
UPON  THE  EXERCISE  HEREOF HAVE NOT BEEN  REGISTERED  UNDER  THE
SECURITIES ACT OF 1933 AS AMENDED OR ANY STATE SECURITIES LAW AND
MAY  NOT  BE  TRANSFERRED, SOLD OR OTHERWISE DISPOSED  OF  EXCEPT
PURSUANT  TO  AN  EFFECTIVE REGISTRATION  STATEMENT  OR  A  VALID
EXEMPTION  FROM REGISTRATION UNDER SUCH ACT AND APPLICABLE  STATE
SECURITIES LAWS.


           WARRANT TO PURCHASE SHARES OF COMMON STOCK
          (subject to adjustment hereinafter provided)

                               of

                          HADRON, INC.

This  certifies  that, for value received, Jon M.  Stout  or  his
registered assigns ("Holder") is entitled, subject to  the  terms
set  forth  below,  to purchase from Hadron,  Inc.,  a  New  York
corporation (the "Company"), such number of shares of the  Common
Stock,  par  value  $0.02  per share  ("Common  Stock"),  of  the
Company, that are purchasable in connection with the exercise  of
the Warrant, as defined in Section 3 below, upon surrender hereof
at  the  principal office of the Company referred to below,  with
the  Notice  of  Exercise attached hereto as  Attachment  A  duly
executed and simultaneous payment therefor (at the Exercise Price
as  set  forth in Section 2 below) in lawful money of the  United
States  or  otherwise as hereinafter provided.   The  number  and
Exercise  Price  of such shares of Common Stock  are  subject  to
adjustment as provided below.  The term "Warrant" as used  herein
shall  include  the Warrant under this Warrant and  any  warrants
delivered  in  substitution  or  exchange  therefor  as  provided
herein.

     1.    Term  of Warrant.  Subject to the terms and conditions
set  forth herein, the Warrant shall be exercisable, in whole  or
in  part, for a period of five (5) years commencing on March  30,
2000 and ending on March 30, 2005.

     2.    Exercise  Price.   The exercise price  at  which  this
Warrant may be exercised shall be seventy-two cents ($0.72)   per
share of Common Stock. (the "Exercise Price").

     3.   Number of Shares; Exercise of Warrant.

          3.1   Exercise  and Number of Shares.  Subject  to  the
provisions  of  this Agreement, the Holder of this Warrant  shall
have  the  right  to purchase from the Company (and  the  Company
shall  issue  and sell to such Holder), in the aggregate,  up  to
235,161  shares of the Company's Common Stock.  This Warrant  may
be  exercised in whole or in part in as many exercises as  Holder
may elect.  The Exercise Price shall be payable by check for good
and sufficient United States funds.

          3.2    Cashless   Exercise.   Subject  to   the   other
provisions  of  this  Agreement, in  lieu  of  any  cash  payment
required  upon exercise of the Warrant, the Holder may  elect  to
exercise  this  Warrant in full or in part by  surrendering  this
Warrant in the manner specified in Section 3.1 hereof in exchange
for the number of shares of Common Stock equal to the product  of
(i)  the number of shares of Common Stock as to which the Warrant
is  being  exercised  multiplied by  (ii)  a  fraction,  (y)  the
numerator of which is the Fair Market Value of a share of  Common
Stock  on the date of exercise less the Exercise Price,  and  (z)
the  denominator of which is the Fair Market Value of a share  of
Common  Stock on such date of exercise.  Fair Market Value  shall
be equal to the average of the last sale price of Common Stock on
each  of the ten trading days prior to the exercise date of  this
Warrant  on the principal exchange of which the Common Stock  may
at  the time be listed; or, if there shall have been no sales  on
such exchange on any such trading day, the average of the closing
bid and asked prices on such exchange on such trading day; or, if
there  is no such bid and asked price occurred; or, if the Common
Stock  shall  not be so listed, the average of the closing  sales
prices  as  reported by NASDAQ (including its bulletin board)  at
the  end  of  each of the ten trading days prior to the  date  of
exercise of this Warrant in the over-the counter market; provided
that  if  one class of the Common Stock is listed or reported  as
described  in  this sentence but the class of Common  Stock  with
respect  to which Fair Market Value is being measured is  not  so
listed  or  reported, then the Fair Market Value per  share  with
respect  to such unlisted and unreported class shall be identical
to such listed or reported class.

          3.3  Delivery.  The Warrant shall be exercisable by (i)
delivering to the Company the form of notice of exercise attached
hereto as Exhibit A duly completed and signed by the Holder or by
the  duly  appointed  legal  representative  or  duly  authorized
attorney  thereof,  and  (ii) depositing  with  the  Company  the
original of this Warrant, paying the aggregate Exercise Price for
the  number  of shares of Common Stock in respect  of  which  the
Warrant  is being exercised.  Upon each partial exercise  of  the
Warrant,  a new Warrant evidencing the balance of the  shares  of
Common Stock issuable hereunder will be issued to the Holder,  as
soon  as reasonably practicable, on the same terms as the Warrant
partially exercised.  All payments due upon any exercise of  this
Warrant shall be made in cash or by check or by making a Cashless
Exercise.

          3.4  Time of Exercise.  This Warrant shall be deemed to
have been exercised immediately prior to the close of business on
the date of its surrender for exercise and the person entitled to
receive  the  shares of Common Stock issuable upon such  exercise
shall be treated for all purposes as the holder of record of such
shares  as  of  the  close of business on  such  date;  provided,
however, that in the event that the transfer books of the Company
are closed on the date of exercise, the Holder shall be deemed to
have  become  a stockholder of record on the next succeeding  day
that the transfer books are open and until such date, the Company
shall  be  under no duty to cause to be delivered any certificate
for  such  shares.  As promptly as practicable on or  after  such
date  and  in  any  event within ten (10)  days  thereafter,  the
Company  at its expense shall issue and deliver to the person  or
persons   entitled   to  receive  the  same  a   certificate   or
certificates  for  the  number  of  shares  issuable  upon   such
exercise.  In the event that this Warrant is exercised  in  part,
the Company at its expense will execute and deliver a new Warrant
of like tenor exercisable for the number of shares for which this
Warrant may then be exercised.

     4.    Payment of Taxes and Expenses.  The Company shall  pay
all  expenses  in  connection  with,  and  all  taxes  and  other
governmental  charges that may be imposed with  respect  to,  the
issuance  or  delivery  of this Warrant and  the  Warrant  Stock,
unless  any such tax or charge is imposed by law upon the  Holder
or  upon  the  income or gain of Holder in connection  with  this
Warrant,  in which case such tax or charge shall be paid  by  the
Holder.   The Company shall not be required, however, to pay  any
tax  or  other  charge imposed in connection  with  any  transfer
involved in the issuance of any certificate for shares of  Common
Stock in any name other than that of the Holder, and in such case
the  Company shall not be required to issue or deliver any  stock
certificate until such tax or other charge has been  paid  or  it
has  been established to the satisfaction of the Company that  no
such tax or other charge is due.

     5.    No  Fractional Shares.  No fractional shares shall  be
issued  upon  the  exercise of this  Warrant.   In  lieu  of  any
fractional share to which the Holder would otherwise be entitled,
the Company shall make a cash payment equal to the Exercise Price
multiplied by such fraction.

     6.     Replacement  of  Warrant.   On  receipt  of  evidence
reasonably  satisfactory  to  the Company  of  the  loss,  theft,
destruction  or mutilation of this Warrant and, in  the  case  of
loss, theft or destruction, on delivery of an indemnity agreement
reasonably satisfactory in form and substance to the Company  or,
in  the case of mutilation, or surrender and cancellation of this
Warrant, the Company at its expense shall execute and deliver, in
lieu of this Warrant, a new warrant of like tenor and amount.

     7.   Adjustments.

          (a)   Adjustment.  The number of shares of Common Stock
for  which this Warrant is exercisable and the Exercise Price  at
which such shares may be purchased shall be subject to adjustment
from time to time as set forth in this Section 7.

          (b)   Stock  Dividends, Subdivisions and  Combinations.
If at any time the Company shall:

               (i)   pay  or  make  a dividend  on  Common  Stock
payable in additional shares of Common Stock;

               (ii)  subdivide its outstanding shares  of  Common
Stock into a larger number of shares of Common Stock; or

               (iii)     combine its outstanding shares of Common
Stock into a smaller number of shares of Common Stock;

then  (A)  the  number of shares of Common Stock for  which  this
Warrant  is exercisable immediately after the happening  of  such
event  shall be adjusted to equal the number of shares of  Common
Stock  which  a  record holder of the same number  of  shares  of
Common  Stock  immediately prior to the happening of  such  event
would  own or be entitled to receive after the happening of  such
event, and (B) the Exercise Price shall be adjusted to equal  (1)
the  Exercise Price multiplied by the number of shares of  Common
Stock for which this Warrant is exercisable immediately prior  to
the adjustment divided by (2) the number of shares for which this
Warrant is exercisable immediately after such adjustment.

          (c)  Dividends and Distributions.  If the Company shall
distribute  to  all holders of its outstanding shares  of  Common
Stock  evidence  of indebtedness of the Company, cash  (including
cash  dividends  payable out of consolidated earnings  or  earned
surplus) or assets or securities other than additional shares  of
Common  Stock,  including  stock of a  subsidiary  but  excluding
dividends or distributions referred to in Section 7(b) above (any
such  evidences of indebtedness, cash, assets or securities,  the
"assets  or  securities"), then, in each  case,   the  number  of
shares  of Common Stock issuable after such record date to Holder
upon  the  exercise  of  each  Warrant  shall  be  determined  by
multiplying  the number of shares of Common Stock  issuable  upon
the  exercise  of such Warrant immediately prior to  such  record
date  by  a  fraction, the numerator of which shall be  the  fair
market  value per share of Common Stock immediately prior to  the
record  date for such distribution and the denominator  of  which
shall  be  the  fair  market  value per  share  of  Common  Stock
immediately  prior to the record date for such distribution  less
the then fair value (as determined in good faith by the Board) of
the  evidences  of  its indebtedness, cash  or  assets  or  other
distributions so distributed attributable to one share of  Common
Stock.    Such  adjustment  shall  be  made  whenever  any   such
distribution is made, and shall become effective on the  date  of
distribution retroactive to the record date for the determination
of  stockholders  entitled  to receive  such  distribution.   Any
adjustment  required by this Section 7(c) shall be made  whenever
any  such distribution is made, and shall become effective on the
date of such distribution retroactive to the record date for  the
determination   of   stockholders  entitled   to   receive   such
distribution.

     (d)   Reorganization,  Reclassification,  Consolidation   or
Merger.   If  the Company shall (i) effect any reorganization  or
reclassification  of  its capital stock or  (ii)  consolidate  or
merge  with or into, or transfer all or substantially all of  its
properties and assets to, any other person, in either case  in  a
transaction  in connection with which a Holder has not  exercised
this  Warrant, then, upon any exercise of this Warrant subsequent
to  the  consummation thereof, such Holder shall be  entitled  to
receive,  in  lieu  of  the Common Stock issuable  upon  exercise
immediately  prior  to such consummation, the highest  amount  of
stock,  other  securities or property (including cash)  to  which
such  Holder  would have been entitled upon such consummation  if
such Holder had exercised this Warrant immediately prior thereto,
all subject to further adjustments thereafter as provided in this
Section  7.   In  the case of a consolidation,  merger,  sale  or
transfer   which  includes  an  election  as  to  the   kind   of
consideration to be received by the holders, and the transfer  is
not  the  same  for  each share of Common  Stock,  then  for  the
purposes of this Section the kind and amount of securities,  cash
and  other  property receivable upon such consolidation,  merger,
sale  or  transfer shall be deemed to be the kind and  amount  so
receivable per share by a plurality of the holders.

     (e)  All calculations under this Section 7 shall be made  to
the  nearest cent or to the nearest one-hundredth of a share,  as
the case may be.

     8.    No  Rights of Stockholders.  Subject to this  Warrant,
the Holder shall not be entitled to vote, to receive dividends or
subscription  rights, or to be deemed the holder of Common  Stock
or  any  other securities of the Company that may at any time  be
issuable  on  the  exercise hereof for  any  purpose,  nor  shall
anything contained herein be construed to confer upon the Holder,
as  such,  any  of  the rights of a stockholder of  the  Company,
including  without limitation any right to vote for the  election
of  directors  or  upon any matter submitted to stockholders,  to
give  or  withhold consent to any corporate action (whether  upon
any  recapitalization,  issuance of  stock,  reclassification  of
stock,  change of par value or change of stock to no  par  value,
consolidation,  merger,  conveyance, or  otherwise),  to  receive
notices,  or  otherwise,  until  the  Warrant  shall  have   been
exercised as provided herein.

     9.   Transfer of Warrant.

          9.1   Warrant  Register.  The Company will  maintain  a
register  (the  "Warrant  Register")  containing  the  names  and
addresses  of the Holder or Holders.  Any Holder of this  Warrant
or  any  portion thereof may change its address as shown  on  the
Warrant Register by written notice to the Company requesting such
change,  and the Company shall promptly make such change.   Until
this  Warrant  is  transferred on the  Warrant  Register  of  the
Company, the Company may treat the Holder as shown on the Warrant
Register  as the absolute owner of this Warrant for all purposes,
notwithstanding any notice to the contrary.

          9.2  Exchange of Warrant Upon a Transfer.  On surrender
of this Warrant for exchange, properly endorsed on the Assignment
attached hereto and subject to the provisions of this Warrant and
with the limitations on assignments and transfers as contained in
this  Section 9, the Company at its expense shall issue to or  on
the  order of the Holder a new warrant or warrants of like tenor,
in  the  name of the Holder or as the Holder (on payment  by  the
Holder  of  any  applicable transfer taxes) may direct,  for  the
number of shares issuable upon exercise hereof.

     10.  Reservation and Authorization of Common Stock.

           (a)   The Company shall at all times reserve and  keep
available  for  issuance upon the exercise of  this  Warrant  the
maximum  number of its authorized but unissued shares  of  Common
Stock  as  could  then  potentially be  required  to  permit  the
exercise  in  full  of  this and all outstanding  Warrants.   All
shares of Common Stock issuable upon exercise of any Warrant  and
payment  therefor in accordance with the terms  of  such  Warrant
shall be duly and validly issued and fully paid and nonassesable,
and not subject to or privileged with any preemptive rights.

           (b)   Before  taking any action which would  cause  an
adjustment reducing the Exercise Price below the then par  value,
if  any, of the shares of Common Stock issuable upon exercise  of
the  Warrants, the Company shall take any corporate action  which
may  be  necessary  in  order that the Company  may  validly  and
legally issue fully paid and nonassessable shares of such  Common
Stock at such adjusted Exercise Price.

     10.    Notices.   Any  notice,  request,  consent  or  other
communication required to be made hereunder shall  be  deemed  to
have been made: (a) in the case of personal delivery, on the date
of  such  delivery;  (b)  in the case of mailing,  on  the  third
business day following the date of such mailing; and (c)  in  the
case  of  facsimile  transmission, when  confirmed  by  facsimile
machine report to the parties at the following addresses:

          If to Holder:

               Jon M. Stout
               10 Maiden Bower Court
               Potomac, Maryland 20854
               Fax: 301/947-0544

          If to Company:

               5904 Richmond Highway
               Suite 300
               Alexandria, Virginia  22303
               Fax: 703/329-9409

     11.   Legend. Neither this Warrant nor the shares of  common
stock issuable upon exercise of this Warrant have been registered
under  the  Securities  Act of 1933, as  amended,  or  under  the
securities  laws  of  any state.  Neither this  Warrant  nor  the
shares  of common stock issued upon exercise of this Warrant  may
be  sold, transferred, pledged or hypothecated in the absence  of
(i)  an effective registration statement for this Warrant or  the
shares, as the case may be, under the Securities Act of 1933,  as
amended,  and  such  registration  or  qualification  as  may  be
necessary  under  the securities laws of any state,  or  (ii)  an
opinion  of  counsel reasonably satisfactory to the Company  that
such  registration or qualification is not required. The  Company
shall  cause a certificate or certificates evidencing all or  any
of  the  shares  of  common stock issued upon  exercise  of  this
Warrant  prior  to  said registration and qualification  of  such
shares to bear the following legend:

          THE  SHARES EVIDENCED BY THIS CERTIFICATE HAVE NOT
          BEEN  REGISTERED UNDER THE SECURITIES ACT OF 1933,
          AS  AMENDED, OR UNDER THE SECURITIES LAWS  OF  ANY
          STATE.  THE  SHARES MAY NOT BE SOLD,  TRANSFERRED,
          PLEDGED  OR  HYPOTHECATED IN  THE  ABSENCE  OF  AN
          EFFECTIVE   REGISTRATION   STATEMENT   UNDER   THE
          SECURITIES  ACT  OF  1933, AS  AMENDED,  AND  SUCH
          REGISTRATION OR QUALIFICATION AS MAY BE  NECESSARY
          UNDER  THE  SECURITIES LAWS OF ANY  STATE,  [OR  A
          VALID  EXEMPTION  FROM  REGISTRATION  UNDER   SUCH
          LAWS].


     (c)   Termination of Restrictions.  The legend  requirements
of  Section  11 shall terminate when either (i) the  security  in
question  shall  have  been  effectively  registered  under   the
Securities  Act  and  disposed of pursuant thereto  or  (ii)  the
Company  shall  have  received an opinion of  counsel  reasonably
satisfactory to it that such legend is not required in  order  to
insure compliance with the Securities Act.

     12.    Investment  Covenant.   The  Holder  by  his  or  her
acceptance  hereof covenants that this Warrant is and any  common
stock  issued hereunder will be acquired for investment purposes,
and that the Holder will not distribute the same in violation  of
any state or federal law or regulation.


     13.   Amendments.  The terms and provisions of this  Warrant
may  not be modified or amended, or any provisions hereof waived,
temporarily  or  permanently, except by written  consent  of  the
Company and the Holder.

     14.   Certificate.   Upon  request by  the  Holder  of  this
Warrant,  the  Company shall promptly deliver to  such  holder  a
certificate executed by its President or Chief Financial  Officer
setting  forth the total number of outstanding shares of  capital
stock, convertible debt instruments and options, rights, warrants
or  other  agreements relating to the purchase  of  such  capital
stock   or  convertible  debt  instruments,  together  with   its
calculation  of  the  number of shares  remaining  available  for
issuance upon exercise of this Warrant, and a certificate of  the
accuracy of the statements set forth therein.

     15    Successors and Assigns.  This Warrant and  the  rights
and  duties  of the Holder set forth herein may be  assigned,  in
whole  or in part, by the Holder.  The obligations of the Company
evidenced  by this Warrant shall be binding upon its  successors,
but  neither this Warrant nor any of the rights or duties of  the
Company  set  forth herein shall be assigned by the  Company,  in
whole  or  in  part,  without having first received  the  written
consent of the Holder.

     16.   Governing Law.  This Warrant shall be governed by, and
construed  in  accordance with, the laws of the  Commonwealth  of
Virginia  without  regard to the principles of conflicts  of  law
thereof.

     IN  WITNESS WHEREOF, the Company has caused this Warrant  to
be  executed on its behalf and under its corporate seal as of the
date  first above written by one of its duly authorized  officers
and  its  execution hereof to be attested by another of its  duly
authorized officers.

Date:     March 30, 2000           HADRON, INC.


                                       /S/ C.W. GILLULY
                                   By:  --------------------------
                                   C.W. Gilluly
                                   Chief Executive Officer






Attested:

/S/ S. AMBER GORDON
________________________
Secretary

<PAGE>


                          ATTACHMENT A

                       NOTICE OF EXERCISE

To:  HADRON, INC. (the "Company")

      The  undersigned hereby irrevocably elects to exercise  the
right of purchase thereunder, ____________ shares of Common Stock
of  the  Company,  as provided for therein, and tenders  herewith
payment  of  the  purchase price in full  in  the  form  of  wire
transfer,   cash   or  a  check  in  the  aggregate   amount   of
$___________.  If  said number of shares shall  not  be  all  the
shares  purchasable  under  the within  Warrant,  a  new  Warrant
Certificate  is to be issued in the name of said undersigned  for
the  balance remaining of the shares purchasable thereunder  less
any fraction of a share paid in cash.

      Please issue a certificate or certificates for such  shares
of  Common  Stock  in  the name of, and  pay  any  cash  for  any
fractional share to:

               Name:______________________________
               By:________________________________
               Signature:___________________________


                           ASSIGNMENT

          (To be executed only upon assignment of Warrant)

       For  value  received,  __________________________,  hereby
sells,  assigns  and transfers unto ________________________  the
within  Warrant,  together  with all right,  title  and  interest
therein,  and  does  hereby irrevocably  constitute  and  appoint
_______________________ attorney, to transfer said Warrant on the
books   of   the  within-named  Company,  with  full   power   of
substitution of the premises.


Dated: ___________________, 20___



____________________________________

By:   _____________________________









                             WARRANT

THE  SECURITIES  REPRESENTED HEREBY AND THE  SECURITIES  ISSUABLE
UPON  THE  EXERCISE  HEREOF HAVE NOT BEEN  REGISTERED  UNDER  THE
SECURITIES ACT OF 1933 AS AMENDED OR ANY STATE SECURITIES LAW AND
MAY  NOT  BE  TRANSFERRED, SOLD OR OTHERWISE DISPOSED  OF  EXCEPT
PURSUANT  TO  AN  EFFECTIVE REGISTRATION  STATEMENT  OR  A  VALID
EXEMPTION  FROM REGISTRATION UNDER SUCH ACT AND APPLICABLE  STATE
SECURITIES LAWS.


           WARRANT TO PURCHASE SHARES OF COMMON STOCK
          (subject to adjustment hereinafter provided)

                               of

                          HADRON, INC.

This certifies that, for value received, Patricia W. Stout or her
registered assigns ("Holder") is entitled, subject to  the  terms
set  forth  below,  to purchase from Hadron,  Inc.,  a  New  York
corporation (the "Company"), such number of shares of the  Common
Stock,  par  value  $0.02  per share  ("Common  Stock"),  of  the
Company, that are purchasable in connection with the exercise  of
the Warrant, as defined in Section 3 below, upon surrender hereof
at  the  principal office of the Company referred to below,  with
the  Notice  of  Exercise attached hereto as  Attachment  A  duly
executed and simultaneous payment therefor (at the Exercise Price
as  set  forth in Section 2 below) in lawful money of the  United
States  or  otherwise as hereinafter provided.   The  number  and
Exercise  Price  of such shares of Common Stock  are  subject  to
adjustment as provided below.  The term "Warrant" as used  herein
shall  include  the Warrant under this Warrant and  any  warrants
delivered  in  substitution  or  exchange  therefor  as  provided
herein.

     1.    Term  of Warrant.  Subject to the terms and conditions
set  forth herein, the Warrant shall be exercisable, in whole  or
in  part, for a period of five (5) years commencing on March  30,
2000 and ending on March 30, 2005.

     2.    Exercise  Price.   The exercise price  at  which  this
Warrant may be exercised shall be seventy-two cents ($0.72)   per
share of Common Stock. (the "Exercise Price").

     3.   Number of Shares; Exercise of Warrant.

          3.1   Exercise  and Number of Shares.  Subject  to  the
provisions  of  this Agreement, the Holder of this Warrant  shall
have  the  right  to purchase from the Company (and  the  Company
shall  issue  and sell to such Holder), in the aggregate,  up  to
230,769  shares of the Company's Common Stock.  This Warrant  may
be  exercised in whole or in part in as many exercises as  Holder
may elect.  The Exercise Price shall be payable by check for good
and sufficient United States funds.

          3.2    Cashless   Exercise.   Subject  to   the   other
provisions  of  this  Agreement, in  lieu  of  any  cash  payment
required  upon exercise of the Warrant, the Holder may  elect  to
exercise  this  Warrant in full or in part by  surrendering  this
Warrant in the manner specified in Section 3.1 hereof in exchange
for the number of shares of Common Stock equal to the product  of
(i)  the number of shares of Common Stock as to which the Warrant
is  being  exercised  multiplied by  (ii)  a  fraction,  (y)  the
numerator of which is the Fair Market Value of a share of  Common
Stock  on the date of exercise less the Exercise Price,  and  (z)
the  denominator of which is the Fair Market Value of a share  of
Common  Stock on such date of exercise.  Fair Market Value  shall
be equal to the average of the last sale price of Common Stock on
each  of the ten trading days prior to the exercise date of  this
Warrant  on the principal exchange of which the Common Stock  may
at  the time be listed; or, if there shall have been no sales  on
such exchange on any such trading day, the average of the closing
bid and asked prices on such exchange on such trading day; or, if
there  is no such bid and asked price occurred; or, if the Common
Stock  shall  not be so listed, the average of the closing  sales
prices  as  reported by NASDAQ (including its bulletin board)  at
the  end  of  each of the ten trading days prior to the  date  of
exercise of this Warrant in the over-the counter market; provided
that  if  one class of the Common Stock is listed or reported  as
described  in  this sentence but the class of Common  Stock  with
respect  to which Fair Market Value is being measured is  not  so
listed  or  reported, then the Fair Market Value per  share  with
respect  to such unlisted and unreported class shall be identical
to such listed or reported class.

          3.3  Delivery.  The Warrant shall be exercisable by (i)
delivering to the Company the form of notice of exercise attached
hereto as Exhibit A duly completed and signed by the Holder or by
the  duly  appointed  legal  representative  or  duly  authorized
attorney  thereof,  and  (ii) depositing  with  the  Company  the
original of this Warrant, paying the aggregate Exercise Price for
the  number  of shares of Common Stock in respect  of  which  the
Warrant  is being exercised.  Upon each partial exercise  of  the
Warrant,  a new Warrant evidencing the balance of the  shares  of
Common Stock issuable hereunder will be issued to the Holder,  as
soon  as reasonably practicable, on the same terms as the Warrant
partially exercised.  All payments due upon any exercise of  this
Warrant shall be made in cash or by check or by making a Cashless
Exercise.

          3.4  Time of Exercise.  This Warrant shall be deemed to
have been exercised immediately prior to the close of business on
the date of its surrender for exercise and the person entitled to
receive  the  shares of Common Stock issuable upon such  exercise
shall be treated for all purposes as the holder of record of such
shares  as  of  the  close of business on  such  date;  provided,
however, that in the event that the transfer books of the Company
are closed on the date of exercise, the Holder shall be deemed to
have  become  a stockholder of record on the next succeeding  day
that the transfer books are open and until such date, the Company
shall  be  under no duty to cause to be delivered any certificate
for  such  shares.  As promptly as practicable on or  after  such
date  and  in  any  event within ten (10)  days  thereafter,  the
Company  at its expense shall issue and deliver to the person  or
persons   entitled   to  receive  the  same  a   certificate   or
certificates  for  the  number  of  shares  issuable  upon   such
exercise.  In the event that this Warrant is exercised  in  part,
the Company at its expense will execute and deliver a new Warrant
of like tenor exercisable for the number of shares for which this
Warrant may then be exercised.

     4.    Payment of Taxes and Expenses.  The Company shall  pay
all  expenses  in  connection  with,  and  all  taxes  and  other
governmental  charges that may be imposed with  respect  to,  the
issuance  or  delivery  of this Warrant and  the  Warrant  Stock,
unless  any such tax or charge is imposed by law upon the  Holder
or  upon  the  income or gain of Holder in connection  with  this
Warrant,  in which case such tax or charge shall be paid  by  the
Holder.   The Company shall not be required, however, to pay  any
tax  or  other  charge imposed in connection  with  any  transfer
involved in the issuance of any certificate for shares of  Common
Stock in any name other than that of the Holder, and in such case
the  Company shall not be required to issue or deliver any  stock
certificate until such tax or other charge has been  paid  or  it
has  been established to the satisfaction of the Company that  no
such tax or other charge is due.

     5.    No  Fractional Shares.  No fractional shares shall  be
issued  upon  the  exercise of this  Warrant.   In  lieu  of  any
fractional share to which the Holder would otherwise be entitled,
the Company shall make a cash payment equal to the Exercise Price
multiplied by such fraction.

     6.     Replacement  of  Warrant.   On  receipt  of  evidence
reasonably  satisfactory  to  the Company  of  the  loss,  theft,
destruction  or mutilation of this Warrant and, in  the  case  of
loss, theft or destruction, on delivery of an indemnity agreement
reasonably satisfactory in form and substance to the Company  or,
in  the case of mutilation, or surrender and cancellation of this
Warrant, the Company at its expense shall execute and deliver, in
lieu of this Warrant, a new warrant of like tenor and amount.

     7.   Adjustments.

          (a)   Adjustment.  The number of shares of Common Stock
for  which this Warrant is exercisable and the Exercise Price  at
which such shares may be purchased shall be subject to adjustment
from time to time as set forth in this Section 7.

          (b)   Stock  Dividends, Subdivisions and  Combinations.
If at any time the Company shall:

               (i)   pay  or  make  a dividend  on  Common  Stock
payable in additional shares of Common Stock;

               (ii)  subdivide its outstanding shares  of  Common
Stock into a larger number of shares of Common Stock; or

               (iii)     combine its outstanding shares of Common
Stock into a smaller number of shares of Common Stock;

then  (A)  the  number of shares of Common Stock for  which  this
Warrant  is exercisable immediately after the happening  of  such
event  shall be adjusted to equal the number of shares of  Common
Stock  which  a  record holder of the same number  of  shares  of
Common  Stock  immediately prior to the happening of  such  event
would  own or be entitled to receive after the happening of  such
event, and (B) the Exercise Price shall be adjusted to equal  (1)
the  Exercise Price multiplied by the number of shares of  Common
Stock for which this Warrant is exercisable immediately prior  to
the adjustment divided by (2) the number of shares for which this
Warrant is exercisable immediately after such adjustment.

          (c)  Dividends and Distributions.  If the Company shall
distribute  to  all holders of its outstanding shares  of  Common
Stock  evidence  of indebtedness of the Company, cash  (including
cash  dividends  payable out of consolidated earnings  or  earned
surplus) or assets or securities other than additional shares  of
Common  Stock,  including  stock of a  subsidiary  but  excluding
dividends or distributions referred to in Section 7(b) above (any
such  evidences of indebtedness, cash, assets or securities,  the
"assets  or  securities"), then, in each  case,   the  number  of
shares  of Common Stock issuable after such record date to Holder
upon  the  exercise  of  each  Warrant  shall  be  determined  by
multiplying  the number of shares of Common Stock  issuable  upon
the  exercise  of such Warrant immediately prior to  such  record
date  by  a  fraction, the numerator of which shall be  the  fair
market  value per share of Common Stock immediately prior to  the
record  date for such distribution and the denominator  of  which
shall  be  the  fair  market  value per  share  of  Common  Stock
immediately  prior to the record date for such distribution  less
the then fair value (as determined in good faith by the Board) of
the  evidences  of  its indebtedness, cash  or  assets  or  other
distributions so distributed attributable to one share of  Common
Stock.    Such  adjustment  shall  be  made  whenever  any   such
distribution is made, and shall become effective on the  date  of
distribution retroactive to the record date for the determination
of  stockholders  entitled  to receive  such  distribution.   Any
adjustment  required by this Section 7(c) shall be made  whenever
any  such distribution is made, and shall become effective on the
date of such distribution retroactive to the record date for  the
determination   of   stockholders  entitled   to   receive   such
distribution.

     (d)   Reorganization,  Reclassification,  Consolidation   or
Merger.   If  the Company shall (i) effect any reorganization  or
reclassification  of  its capital stock or  (ii)  consolidate  or
merge  with or into, or transfer all or substantially all of  its
properties and assets to, any other person, in either case  in  a
transaction  in connection with which a Holder has not  exercised
this  Warrant, then, upon any exercise of this Warrant subsequent
to  the  consummation thereof, such Holder shall be  entitled  to
receive,  in  lieu  of  the Common Stock issuable  upon  exercise
immediately  prior  to such consummation, the highest  amount  of
stock,  other  securities or property (including cash)  to  which
such  Holder  would have been entitled upon such consummation  if
such Holder had exercised this Warrant immediately prior thereto,
all subject to further adjustments thereafter as provided in this
Section  7.   In  the case of a consolidation,  merger,  sale  or
transfer   which  includes  an  election  as  to  the   kind   of
consideration to be received by the holders, and the transfer  is
not  the  same  for  each share of Common  Stock,  then  for  the
purposes of this Section the kind and amount of securities,  cash
and  other  property receivable upon such consolidation,  merger,
sale  or  transfer shall be deemed to be the kind and  amount  so
receivable per share by a plurality of the holders.

     (e)  All calculations under this Section 7 shall be made  to
the  nearest cent or to the nearest one-hundredth of a share,  as
the case may be.

     8.    No  Rights of Stockholders.  Subject to this  Warrant,
the Holder shall not be entitled to vote, to receive dividends or
subscription  rights, or to be deemed the holder of Common  Stock
or  any  other securities of the Company that may at any time  be
issuable  on  the  exercise hereof for  any  purpose,  nor  shall
anything contained herein be construed to confer upon the Holder,
as  such,  any  of  the rights of a stockholder of  the  Company,
including  without limitation any right to vote for the  election
of  directors  or  upon any matter submitted to stockholders,  to
give  or  withhold consent to any corporate action (whether  upon
any  recapitalization,  issuance of  stock,  reclassification  of
stock,  change of par value or change of stock to no  par  value,
consolidation,  merger,  conveyance, or  otherwise),  to  receive
notices,  or  otherwise,  until  the  Warrant  shall  have   been
exercised as provided herein.

     9.   Transfer of Warrant.

          9.1   Warrant  Register.  The Company will  maintain  a
register  (the  "Warrant  Register")  containing  the  names  and
addresses  of the Holder or Holders.  Any Holder of this  Warrant
or  any  portion thereof may change its address as shown  on  the
Warrant Register by written notice to the Company requesting such
change,  and the Company shall promptly make such change.   Until
this  Warrant  is  transferred on the  Warrant  Register  of  the
Company, the Company may treat the Holder as shown on the Warrant
Register  as the absolute owner of this Warrant for all purposes,
notwithstanding any notice to the contrary.

          9.2  Exchange of Warrant Upon a Transfer.  On surrender
of this Warrant for exchange, properly endorsed on the Assignment
attached hereto and subject to the provisions of this Warrant and
with the limitations on assignments and transfers as contained in
this  Section 9, the Company at its expense shall issue to or  on
the  order of the Holder a new warrant or warrants of like tenor,
in  the  name of the Holder or as the Holder (on payment  by  the
Holder  of  any  applicable transfer taxes) may direct,  for  the
number of shares issuable upon exercise hereof.

     10.  Reservation and Authorization of Common Stock.

           (a)   The Company shall at all times reserve and  keep
available  for  issuance upon the exercise of  this  Warrant  the
maximum  number of its authorized but unissued shares  of  Common
Stock  as  could  then  potentially be  required  to  permit  the
exercise  in  full  of  this and all outstanding  Warrants.   All
shares of Common Stock issuable upon exercise of any Warrant  and
payment  therefor in accordance with the terms  of  such  Warrant
shall be duly and validly issued and fully paid and nonassesable,
and not subject to or privileged with any preemptive rights.

           (b)   Before  taking any action which would  cause  an
adjustment reducing the Exercise Price below the then par  value,
if  any, of the shares of Common Stock issuable upon exercise  of
the  Warrants, the Company shall take any corporate action  which
may  be  necessary  in  order that the Company  may  validly  and
legally issue fully paid and nonassessable shares of such  Common
Stock at such adjusted Exercise Price.

     10.    Notices.   Any  notice,  request,  consent  or  other
communication required to be made hereunder shall  be  deemed  to
have been made: (a) in the case of personal delivery, on the date
of  such  delivery;  (b)  in the case of mailing,  on  the  third
business day following the date of such mailing; and (c)  in  the
case  of  facsimile  transmission, when  confirmed  by  facsimile
machine report to the parties at the following addresses:

          If to Holder:

               Patricia W. Stout
               10 Maiden Bower Court
               Potomac, Maryland 20854
               Fax: 301/947-0544

          If to Company:

               5904 Richmond Highway
               Suite 300
               Alexandria, Virginia  22303
               Fax: 703/329-9409

     11.   Legend. Neither this Warrant nor the shares of  common
stock issuable upon exercise of this Warrant have been registered
under  the  Securities  Act of 1933, as  amended,  or  under  the
securities  laws  of  any state.  Neither this  Warrant  nor  the
shares  of common stock issued upon exercise of this Warrant  may
be  sold, transferred, pledged or hypothecated in the absence  of
(i)  an effective registration statement for this Warrant or  the
shares, as the case may be, under the Securities Act of 1933,  as
amended,  and  such  registration  or  qualification  as  may  be
necessary  under  the securities laws of any state,  or  (ii)  an
opinion  of  counsel reasonably satisfactory to the Company  that
such  registration or qualification is not required. The  Company
shall  cause a certificate or certificates evidencing all or  any
of  the  shares  of  common stock issued upon  exercise  of  this
Warrant  prior  to  said registration and qualification  of  such
shares to bear the following legend:

          THE  SHARES EVIDENCED BY THIS CERTIFICATE HAVE NOT
          BEEN  REGISTERED UNDER THE SECURITIES ACT OF 1933,
          AS  AMENDED, OR UNDER THE SECURITIES LAWS  OF  ANY
          STATE.  THE  SHARES MAY NOT BE SOLD,  TRANSFERRED,
          PLEDGED  OR  HYPOTHECATED IN  THE  ABSENCE  OF  AN
          EFFECTIVE   REGISTRATION   STATEMENT   UNDER   THE
          SECURITIES  ACT  OF  1933, AS  AMENDED,  AND  SUCH
          REGISTRATION OR QUALIFICATION AS MAY BE  NECESSARY
          UNDER  THE  SECURITIES LAWS OF ANY  STATE,  [OR  A
          VALID  EXEMPTION  FROM  REGISTRATION  UNDER   SUCH
          LAWS].


     (c)   Termination of Restrictions.  The legend  requirements
of  Section  11 shall terminate when either (i) the  security  in
question  shall  have  been  effectively  registered  under   the
Securities  Act  and  disposed of pursuant thereto  or  (ii)  the
Company  shall  have  received an opinion of  counsel  reasonably
satisfactory to it that such legend is not required in  order  to
insure compliance with the Securities Act.

     12.    Investment  Covenant.   The  Holder  by  his  or  her
acceptance  hereof covenants that this Warrant is and any  common
stock  issued hereunder will be acquired for investment purposes,
and that the Holder will not distribute the same in violation  of
any state or federal law or regulation.


     13.   Amendments.  The terms and provisions of this  Warrant
may  not be modified or amended, or any provisions hereof waived,
temporarily  or  permanently, except by written  consent  of  the
Company and the Holder.

     14.   Certificate.   Upon  request by  the  Holder  of  this
Warrant,  the  Company shall promptly deliver to  such  holder  a
certificate executed by its President or Chief Financial  Officer
setting  forth the total number of outstanding shares of  capital
stock, convertible debt instruments and options, rights, warrants
or  other  agreements relating to the purchase  of  such  capital
stock   or  convertible  debt  instruments,  together  with   its
calculation  of  the  number of shares  remaining  available  for
issuance upon exercise of this Warrant, and a certificate of  the
accuracy of the statements set forth therein.

     15    Successors and Assigns.  This Warrant and  the  rights
and  duties  of the Holder set forth herein may be  assigned,  in
whole  or in part, by the Holder.  The obligations of the Company
evidenced  by this Warrant shall be binding upon its  successors,
but  neither this Warrant nor any of the rights or duties of  the
Company  set  forth herein shall be assigned by the  Company,  in
whole  or  in  part,  without having first received  the  written
consent of the Holder.

     16.   Governing Law.  This Warrant shall be governed by, and
construed  in  accordance with, the laws of the  Commonwealth  of
Virginia  without  regard to the principles of conflicts  of  law
thereof.

     IN  WITNESS WHEREOF, the Company has caused this Warrant  to
be  executed on its behalf and under its corporate seal as of the
date  first above written by one of its duly authorized  officers
and  its  execution hereof to be attested by another of its  duly
authorized officers.

Date:     March 30, 2000           HADRON, INC.


                                     /S/ C.W. GILLULY
                                   By:   ------------------------
                                   C.W. Gilluly
                                   Chief Executive Officer






Attested:

/S/ S. AMBER GORDON
________________________
Secretary

<PAGE>


                          ATTACHMENT A

                       NOTICE OF EXERCISE

To:  HADRON, INC. (the "Company")

      The  undersigned hereby irrevocably elects to exercise  the
right of purchase thereunder, ____________ shares of Common Stock
of  the  Company,  as provided for therein, and tenders  herewith
payment  of  the  purchase price in full  in  the  form  of  wire
transfer,   cash   or  a  check  in  the  aggregate   amount   of
$___________.  If  said number of shares shall  not  be  all  the
shares  purchasable  under  the within  Warrant,  a  new  Warrant
Certificate  is to be issued in the name of said undersigned  for
the  balance remaining of the shares purchasable thereunder  less
any fraction of a share paid in cash.

      Please issue a certificate or certificates for such  shares
of  Common  Stock  in  the name of, and  pay  any  cash  for  any
fractional share to:

               Name:______________________________
               By:________________________________
               Signature:___________________________


                           ASSIGNMENT

          (To be executed only upon assignment of Warrant)

       For  value  received,  __________________________,  hereby
sells,  assigns  and transfers unto ________________________  the
within  Warrant,  together  with all right,  title  and  interest
therein,  and  does  hereby irrevocably  constitute  and  appoint
_______________________ attorney, to transfer said Warrant on the
books   of   the  within-named  Company,  with  full   power   of
substitution of the premises.


Dated: ___________________, 20___



____________________________________

By:

________________________________









                             WARRANT

THE  SECURITIES  REPRESENTED HEREBY AND THE  SECURITIES  ISSUABLE
UPON  THE  EXERCISE  HEREOF HAVE NOT BEEN  REGISTERED  UNDER  THE
SECURITIES ACT OF 1933 AS AMENDED OR ANY STATE SECURITIES LAW AND
MAY  NOT  BE  TRANSFERRED, SOLD OR OTHERWISE DISPOSED  OF  EXCEPT
PURSUANT  TO  AN  EFFECTIVE REGISTRATION  STATEMENT  OR  A  VALID
EXEMPTION  FROM REGISTRATION UNDER SUCH ACT AND APPLICABLE  STATE
SECURITIES LAWS.


           WARRANT TO PURCHASE SHARES OF COMMON STOCK
          (subject to adjustment hereinafter provided)

                               of

                          HADRON, INC.

This certifies that, for value received, Stout Dynastic Trust  or
its  registered  assigns ("Holder") is entitled, subject  to  the
terms set forth below, to purchase from Hadron, Inc., a New  York
corporation (the "Company"), such number of shares of the  Common
Stock,  par  value  $0.02  per share  ("Common  Stock"),  of  the
Company, that are purchasable in connection with the exercise  of
the Warrant, as defined in Section 3 below, upon surrender hereof
at  the  principal office of the Company referred to below,  with
the  Notice  of  Exercise attached hereto as  Attachment  A  duly
executed and simultaneous payment therefor (at the Exercise Price
as  set  forth in Section 2 below) in lawful money of the  United
States  or  otherwise as hereinafter provided.   The  number  and
Exercise  Price  of such shares of Common Stock  are  subject  to
adjustment as provided below.  The term "Warrant" as used  herein
shall  include  the Warrant under this Warrant and  any  warrants
delivered  in  substitution  or  exchange  therefor  as  provided
herein.

     1.    Term  of Warrant.  Subject to the terms and conditions
set  forth herein, the Warrant shall be exercisable, in whole  or
in  part, for a period of five (5) years commencing on March  30,
2000 and ending on March 30, 2005.

     2.    Exercise  Price.   The exercise price  at  which  this
Warrant may be exercised shall be seventy-two cents ($0.72)   per
share of Common Stock. (the "Exercise Price").

     3.   Number of Shares; Exercise of Warrant.

          3.1   Exercise  and Number of Shares.  Subject  to  the
provisions  of  this Agreement, the Holder of this Warrant  shall
have  the  right  to purchase from the Company (and  the  Company
shall  issue  and sell to such Holder), in the aggregate,  up  to
1,015,380 shares of the Company's Common Stock.  This Warrant may
be  exercised in whole or in part in as many exercises as  Holder
may elect.  The Exercise Price shall be payable by check for good
and sufficient United States funds.

          3.2    Cashless   Exercise.   Subject  to   the   other
provisions  of  this  Agreement, in  lieu  of  any  cash  payment
required  upon exercise of the Warrant, the Holder may  elect  to
exercise  this  Warrant in full or in part by  surrendering  this
Warrant in the manner specified in Section 3.1 hereof in exchange
for the number of shares of Common Stock equal to the product  of
(i)  the number of shares of Common Stock as to which the Warrant
is  being  exercised  multiplied by  (ii)  a  fraction,  (y)  the
numerator of which is the Fair Market Value of a share of  Common
Stock  on the date of exercise less the Exercise Price,  and  (z)
the  denominator of which is the Fair Market Value of a share  of
Common  Stock on such date of exercise.  Fair Market Value  shall
be equal to the average of the last sale price of Common Stock on
each  of the ten trading days prior to the exercise date of  this
Warrant  on the principal exchange of which the Common Stock  may
at  the time be listed; or, if there shall have been no sales  on
such exchange on any such trading day, the average of the closing
bid and asked prices on such exchange on such trading day; or, if
there  is no such bid and asked price occurred; or, if the Common
Stock  shall  not be so listed, the average of the closing  sales
prices  as  reported by NASDAQ (including its bulletin board)  at
the  end  of  each of the ten trading days prior to the  date  of
exercise of this Warrant in the over-the counter market; provided
that  if  one class of the Common Stock is listed or reported  as
described  in  this sentence but the class of Common  Stock  with
respect  to which Fair Market Value is being measured is  not  so
listed  or  reported, then the Fair Market Value per  share  with
respect  to such unlisted and unreported class shall be identical
to such listed or reported class.

          3.3  Delivery.  The Warrant shall be exercisable by (i)
delivering to the Company the form of notice of exercise attached
hereto as Exhibit A duly completed and signed by the Holder or by
the  duly  appointed  legal  representative  or  duly  authorized
attorney  thereof,  and  (ii) depositing  with  the  Company  the
original of this Warrant, paying the aggregate Exercise Price for
the  number  of shares of Common Stock in respect  of  which  the
Warrant  is being exercised.  Upon each partial exercise  of  the
Warrant,  a new Warrant evidencing the balance of the  shares  of
Common Stock issuable hereunder will be issued to the Holder,  as
soon  as reasonably practicable, on the same terms as the Warrant
partially exercised.  All payments due upon any exercise of  this
Warrant shall be made in cash or by check or by making a Cashless
Exercise.

          3.4  Time of Exercise.  This Warrant shall be deemed to
have been exercised immediately prior to the close of business on
the date of its surrender for exercise and the person entitled to
receive  the  shares of Common Stock issuable upon such  exercise
shall be treated for all purposes as the holder of record of such
shares  as  of  the  close of business on  such  date;  provided,
however, that in the event that the transfer books of the Company
are closed on the date of exercise, the Holder shall be deemed to
have  become  a stockholder of record on the next succeeding  day
that the transfer books are open and until such date, the Company
shall  be  under no duty to cause to be delivered any certificate
for  such  shares.  As promptly as practicable on or  after  such
date  and  in  any  event within ten (10)  days  thereafter,  the
Company  at its expense shall issue and deliver to the person  or
persons   entitled   to  receive  the  same  a   certificate   or
certificates  for  the  number  of  shares  issuable  upon   such
exercise.  In the event that this Warrant is exercised  in  part,
the Company at its expense will execute and deliver a new Warrant
of like tenor exercisable for the number of shares for which this
Warrant may then be exercised.

     4.    Payment of Taxes and Expenses.  The Company shall  pay
all  expenses  in  connection  with,  and  all  taxes  and  other
governmental  charges that may be imposed with  respect  to,  the
issuance  or  delivery  of this Warrant and  the  Warrant  Stock,
unless  any such tax or charge is imposed by law upon the  Holder
or  upon  the  income or gain of Holder in connection  with  this
Warrant,  in which case such tax or charge shall be paid  by  the
Holder.   The Company shall not be required, however, to pay  any
tax  or  other  charge imposed in connection  with  any  transfer
involved in the issuance of any certificate for shares of  Common
Stock in any name other than that of the Holder, and in such case
the  Company shall not be required to issue or deliver any  stock
certificate until such tax or other charge has been  paid  or  it
has  been established to the satisfaction of the Company that  no
such tax or other charge is due.

     5.    No  Fractional Shares.  No fractional shares shall  be
issued  upon  the  exercise of this  Warrant.   In  lieu  of  any
fractional share to which the Holder would otherwise be entitled,
the Company shall make a cash payment equal to the Exercise Price
multiplied by such fraction.

     6.     Replacement  of  Warrant.   On  receipt  of  evidence
reasonably  satisfactory  to  the Company  of  the  loss,  theft,
destruction  or mutilation of this Warrant and, in  the  case  of
loss, theft or destruction, on delivery of an indemnity agreement
reasonably satisfactory in form and substance to the Company  or,
in  the case of mutilation, or surrender and cancellation of this
Warrant, the Company at its expense shall execute and deliver, in
lieu of this Warrant, a new warrant of like tenor and amount.

     7.   Adjustments.

          (a)   Adjustment.  The number of shares of Common Stock
for  which this Warrant is exercisable and the Exercise Price  at
which such shares may be purchased shall be subject to adjustment
from time to time as set forth in this Section 7.

          (b)   Stock  Dividends, Subdivisions and  Combinations.
If at any time the Company shall:

               (i)   pay  or  make  a dividend  on  Common  Stock
payable in additional shares of Common Stock;

               (ii)  subdivide its outstanding shares  of  Common
Stock into a larger number of shares of Common Stock; or

               (iii)     combine its outstanding shares of Common
Stock into a smaller number of shares of Common Stock;

then  (A)  the  number of shares of Common Stock for  which  this
Warrant  is exercisable immediately after the happening  of  such
event  shall be adjusted to equal the number of shares of  Common
Stock  which  a  record holder of the same number  of  shares  of
Common  Stock  immediately prior to the happening of  such  event
would  own or be entitled to receive after the happening of  such
event, and (B) the Exercise Price shall be adjusted to equal  (1)
the  Exercise Price multiplied by the number of shares of  Common
Stock for which this Warrant is exercisable immediately prior  to
the adjustment divided by (2) the number of shares for which this
Warrant is exercisable immediately after such adjustment.

          (c)  Dividends and Distributions.  If the Company shall
distribute  to  all holders of its outstanding shares  of  Common
Stock  evidence  of indebtedness of the Company, cash  (including
cash  dividends  payable out of consolidated earnings  or  earned
surplus) or assets or securities other than additional shares  of
Common  Stock,  including  stock of a  subsidiary  but  excluding
dividends or distributions referred to in Section 7(b) above (any
such  evidences of indebtedness, cash, assets or securities,  the
"assets  or  securities"), then, in each  case,   the  number  of
shares  of Common Stock issuable after such record date to Holder
upon  the  exercise  of  each  Warrant  shall  be  determined  by
multiplying  the number of shares of Common Stock  issuable  upon
the  exercise  of such Warrant immediately prior to  such  record
date  by  a  fraction, the numerator of which shall be  the  fair
market  value per share of Common Stock immediately prior to  the
record  date for such distribution and the denominator  of  which
shall  be  the  fair  market  value per  share  of  Common  Stock
immediately  prior to the record date for such distribution  less
the then fair value (as determined in good faith by the Board) of
the  evidences  of  its indebtedness, cash  or  assets  or  other
distributions so distributed attributable to one share of  Common
Stock.    Such  adjustment  shall  be  made  whenever  any   such
distribution is made, and shall become effective on the  date  of
distribution retroactive to the record date for the determination
of  stockholders  entitled  to receive  such  distribution.   Any
adjustment  required by this Section 7(c) shall be made  whenever
any  such distribution is made, and shall become effective on the
date of such distribution retroactive to the record date for  the
determination   of   stockholders  entitled   to   receive   such
distribution.

     (d)   Reorganization,  Reclassification,  Consolidation   or
Merger.   If  the Company shall (i) effect any reorganization  or
reclassification  of  its capital stock or  (ii)  consolidate  or
merge  with or into, or transfer all or substantially all of  its
properties and assets to, any other person, in either case  in  a
transaction  in connection with which a Holder has not  exercised
this  Warrant, then, upon any exercise of this Warrant subsequent
to  the  consummation thereof, such Holder shall be  entitled  to
receive,  in  lieu  of  the Common Stock issuable  upon  exercise
immediately  prior  to such consummation, the highest  amount  of
stock,  other  securities or property (including cash)  to  which
such  Holder  would have been entitled upon such consummation  if
such Holder had exercised this Warrant immediately prior thereto,
all subject to further adjustments thereafter as provided in this
Section  7.   In  the case of a consolidation,  merger,  sale  or
transfer   which  includes  an  election  as  to  the   kind   of
consideration to be received by the holders, and the transfer  is
not  the  same  for  each share of Common  Stock,  then  for  the
purposes of this Section the kind and amount of securities,  cash
and  other  property receivable upon such consolidation,  merger,
sale  or  transfer shall be deemed to be the kind and  amount  so
receivable per share by a plurality of the holders.

     (e)  All calculations under this Section 7 shall be made  to
the  nearest cent or to the nearest one-hundredth of a share,  as
the case may be.

     8.    No  Rights of Stockholders.  Subject to this  Warrant,
the Holder shall not be entitled to vote, to receive dividends or
subscription  rights, or to be deemed the holder of Common  Stock
or  any  other securities of the Company that may at any time  be
issuable  on  the  exercise hereof for  any  purpose,  nor  shall
anything contained herein be construed to confer upon the Holder,
as  such,  any  of  the rights of a stockholder of  the  Company,
including  without limitation any right to vote for the  election
of  directors  or  upon any matter submitted to stockholders,  to
give  or  withhold consent to any corporate action (whether  upon
any  recapitalization,  issuance of  stock,  reclassification  of
stock,  change of par value or change of stock to no  par  value,
consolidation,  merger,  conveyance, or  otherwise),  to  receive
notices,  or  otherwise,  until  the  Warrant  shall  have   been
exercised as provided herein.

     9.   Transfer of Warrant.

          9.1   Warrant  Register.  The Company will  maintain  a
register  (the  "Warrant  Register")  containing  the  names  and
addresses  of the Holder or Holders.  Any Holder of this  Warrant
or  any  portion thereof may change its address as shown  on  the
Warrant Register by written notice to the Company requesting such
change,  and the Company shall promptly make such change.   Until
this  Warrant  is  transferred on the  Warrant  Register  of  the
Company, the Company may treat the Holder as shown on the Warrant
Register  as the absolute owner of this Warrant for all purposes,
notwithstanding any notice to the contrary.

          9.2  Exchange of Warrant Upon a Transfer.  On surrender
of this Warrant for exchange, properly endorsed on the Assignment
attached hereto and subject to the provisions of this Warrant and
with the limitations on assignments and transfers as contained in
this  Section 9, the Company at its expense shall issue to or  on
the  order of the Holder a new warrant or warrants of like tenor,
in  the  name of the Holder or as the Holder (on payment  by  the
Holder  of  any  applicable transfer taxes) may direct,  for  the
number of shares issuable upon exercise hereof.

     10.  Reservation and Authorization of Common Stock.

           (a)   The Company shall at all times reserve and  keep
available  for  issuance upon the exercise of  this  Warrant  the
maximum  number of its authorized but unissued shares  of  Common
Stock  as  could  then  potentially be  required  to  permit  the
exercise  in  full  of  this and all outstanding  Warrants.   All
shares of Common Stock issuable upon exercise of any Warrant  and
payment  therefor in accordance with the terms  of  such  Warrant
shall be duly and validly issued and fully paid and nonassesable,
and not subject to or privileged with any preemptive rights.

           (b)   Before  taking any action which would  cause  an
adjustment reducing the Exercise Price below the then par  value,
if  any, of the shares of Common Stock issuable upon exercise  of
the  Warrants, the Company shall take any corporate action  which
may  be  necessary  in  order that the Company  may  validly  and
legally issue fully paid and nonassessable shares of such  Common
Stock at such adjusted Exercise Price.

     10.    Notices.   Any  notice,  request,  consent  or  other
communication required to be made hereunder shall  be  deemed  to
have been made: (a) in the case of personal delivery, on the date
of  such  delivery;  (b)  in the case of mailing,  on  the  third
business day following the date of such mailing; and (c)  in  the
case  of  facsimile  transmission, when  confirmed  by  facsimile
machine report to the parties at the following addresses:

          If to Holder:

               Stout Dynastic Trust
               C/O Jon M. Sout
               10 Maiden Bower Court
               Potomac, Maryland 20854
               Fax: 301/947-0544

          If to Company:

               5904 Richmond Highway
               Suite 300
               Alexandria, Virginia  22303
               Fax: 703/329-9409

     11.   Legend. Neither this Warrant nor the shares of  common
stock issuable upon exercise of this Warrant have been registered
under  the  Securities  Act of 1933, as  amended,  or  under  the
securities  laws  of  any state.  Neither this  Warrant  nor  the
shares  of common stock issued upon exercise of this Warrant  may
be  sold, transferred, pledged or hypothecated in the absence  of
(i)  an effective registration statement for this Warrant or  the
shares, as the case may be, under the Securities Act of 1933,  as
amended,  and  such  registration  or  qualification  as  may  be
necessary  under  the securities laws of any state,  or  (ii)  an
opinion  of  counsel reasonably satisfactory to the Company  that
such  registration or qualification is not required. The  Company
shall  cause a certificate or certificates evidencing all or  any
of  the  shares  of  common stock issued upon  exercise  of  this
Warrant  prior  to  said registration and qualification  of  such
shares to bear the following legend:

          THE  SHARES EVIDENCED BY THIS CERTIFICATE HAVE NOT
          BEEN  REGISTERED UNDER THE SECURITIES ACT OF 1933,
          AS  AMENDED, OR UNDER THE SECURITIES LAWS  OF  ANY
          STATE.  THE  SHARES MAY NOT BE SOLD,  TRANSFERRED,
          PLEDGED  OR  HYPOTHECATED IN  THE  ABSENCE  OF  AN
          EFFECTIVE   REGISTRATION   STATEMENT   UNDER   THE
          SECURITIES  ACT  OF  1933, AS  AMENDED,  AND  SUCH
          REGISTRATION OR QUALIFICATION AS MAY BE  NECESSARY
          UNDER  THE  SECURITIES LAWS OF ANY  STATE,  [OR  A
          VALID  EXEMPTION  FROM  REGISTRATION  UNDER   SUCH
          LAWS].


     (c)   Termination of Restrictions.  The legend  requirements
of  Section  11 shall terminate when either (i) the  security  in
question  shall  have  been  effectively  registered  under   the
Securities  Act  and  disposed of pursuant thereto  or  (ii)  the
Company  shall  have  received an opinion of  counsel  reasonably
satisfactory to it that such legend is not required in  order  to
insure compliance with the Securities Act.

     12.    Investment  Covenant.   The  Holder  by  his  or  her
acceptance  hereof covenants that this Warrant is and any  common
stock  issued hereunder will be acquired for investment purposes,
and that the Holder will not distribute the same in violation  of
any state or federal law or regulation.


     13.   Amendments.  The terms and provisions of this  Warrant
may  not be modified or amended, or any provisions hereof waived,
temporarily  or  permanently, except by written  consent  of  the
Company and the Holder.

     14.   Certificate.   Upon  request by  the  Holder  of  this
Warrant,  the  Company shall promptly deliver to  such  holder  a
certificate executed by its President or Chief Financial  Officer
setting  forth the total number of outstanding shares of  capital
stock, convertible debt instruments and options, rights, warrants
or  other  agreements relating to the purchase  of  such  capital
stock   or  convertible  debt  instruments,  together  with   its
calculation  of  the  number of shares  remaining  available  for
issuance upon exercise of this Warrant, and a certificate of  the
accuracy of the statements set forth therein.

     15    Successors and Assigns.  This Warrant and  the  rights
and  duties  of the Holder set forth herein may be  assigned,  in
whole  or in part, by the Holder.  The obligations of the Company
evidenced  by this Warrant shall be binding upon its  successors,
but  neither this Warrant nor any of the rights or duties of  the
Company  set  forth herein shall be assigned by the  Company,  in
whole  or  in  part,  without having first received  the  written
consent of the Holder.

     16.   Governing Law.  This Warrant shall be governed by, and
construed  in  accordance with, the laws of the  Commonwealth  of
Virginia  without  regard to the principles of conflicts  of  law
thereof.

     IN  WITNESS WHEREOF, the Company has caused this Warrant  to
be  executed on its behalf and under its corporate seal as of the
date  first above written by one of its duly authorized  officers
and  its  execution hereof to be attested by another of its  duly
authorized officers.

Date:     March 30, 2000           HADRON, INC.


                                        /S/ C.W. GILLULY
                                   By:  -------------------------
                                        C.W. Gilluly
                                       Chief Executive Officer






Attested:

/S/ S. AMBER GORDON
________________________
Secretary

<PAGE>


                          ATTACHMENT A

                       NOTICE OF EXERCISE

To:  HADRON, INC. (the "Company")

      The  undersigned hereby irrevocably elects to exercise  the
right of purchase thereunder, ____________ shares of Common Stock
of  the  Company,  as provided for therein, and tenders  herewith
payment  of  the  purchase price in full  in  the  form  of  wire
transfer,   cash   or  a  check  in  the  aggregate   amount   of
$___________.  If  said number of shares shall  not  be  all  the
shares  purchasable  under  the within  Warrant,  a  new  Warrant
Certificate  is to be issued in the name of said undersigned  for
the  balance remaining of the shares purchasable thereunder  less
any fraction of a share paid in cash.

      Please issue a certificate or certificates for such  shares
of  Common  Stock  in  the name of, and  pay  any  cash  for  any
fractional share to:

               Name:______________________________
               By:________________________________
               Signature:___________________________


                           ASSIGNMENT

          (To be executed only upon assignment of Warrant)

       For  value  received,  __________________________,  hereby
sells,  assigns  and transfers unto ________________________  the
within  Warrant,  together  with all right,  title  and  interest
therein,  and  does  hereby irrevocably  constitute  and  appoint
_______________________ attorney, to transfer said Warrant on the
books   of   the  within-named  Company,  with  full   power   of
substitution of the premises.


Dated: ___________________, 20___



____________________________________

By:

________________________________






Exhibit#___

                             WARRANT

THE  SECURITIES  REPRESENTED HEREBY AND THE  SECURITIES  ISSUABLE
UPON  THE  EXERCISE  HEREOF HAVE NOT BEEN  REGISTERED  UNDER  THE
SECURITIES ACT OF 1933 AS AMENDED OR ANY STATE SECURITIES LAW AND
MAY  NOT  BE  TRANSFERRED, SOLD OR OTHERWISE DISPOSED  OF  EXCEPT
PURSUANT  TO  AN  EFFECTIVE REGISTRATION  STATEMENT  OR  A  VALID
EXEMPTION  FROM REGISTRATION UNDER SUCH ACT AND APPLICABLE  STATE
SECURITIES LAWS.


           WARRANT TO PURCHASE SHARES OF COMMON STOCK
          (subject to adjustment hereinafter provided)

                               of

                          HADRON, INC.

This  certifies that, for value received, J. Richard Knop or  his
registered assigns ("Holder") is entitled, subject to  the  terms
set  forth  below,  to purchase from Hadron,  Inc.,  a  New  York
corporation (the "Company"), such number of shares of the  Common
Stock,  par  value  $0.02  per share  ("Common  Stock"),  of  the
Company, that are purchasable in connection with the exercise  of
the Warrant, as defined in Section 3 below, upon surrender hereof
at  the  principal office of the Company referred to below,  with
the  Notice  of  Exercise attached hereto as  Attachment  A  duly
executed and simultaneous payment therefor (at the Exercise Price
as  set  forth in Section 2 below) in lawful money of the  United
States  or  otherwise as hereinafter provided.   The  number  and
Exercise  Price  of such shares of Common Stock  are  subject  to
adjustment as provided below.  The term "Warrant" as used  herein
shall  include  the Warrant under this Warrant and  any  warrants
delivered  in  substitution  or  exchange  therefor  as  provided
herein.

     1.    Term  of Warrant.  Subject to the terms and conditions
set  forth herein, the Warrant shall be exercisable, in whole  or
in  part, for a period of five (5) years commencing on March  30,
2000 and ending on March 30, 2005.

     2.    Exercise  Price.   The exercise price  at  which  this
Warrant may be exercised shall be seventy-two cents ($0.72)   per
share of Common Stock. (the "Exercise Price").

     3.   Number of Shares; Exercise of Warrant.

          3.1   Exercise  and Number of Shares.  Subject  to  the
provisions  of  this Agreement, the Holder of this Warrant  shall
have  the  right  to purchase from the Company (and  the  Company
shall  issue  and sell to such Holder), in the aggregate,  up  to
462,690  shares of the Company's Common Stock.  This Warrant  may
be  exercised in whole or in part in as many exercises as  Holder
may elect.  The Exercise Price shall be payable by check for good
and sufficient United States funds.

          3.2    Cashless   Exercise.   Subject  to   the   other
provisions  of  this  Agreement, in  lieu  of  any  cash  payment
required  upon exercise of the Warrant, the Holder may  elect  to
exercise  this  Warrant in full or in part by  surrendering  this
Warrant in the manner specified in Section 3.1 hereof in exchange
for the number of shares of Common Stock equal to the product  of
(i)  the number of shares of Common Stock as to which the Warrant
is  being  exercised  multiplied by  (ii)  a  fraction,  (y)  the
numerator of which is the Fair Market Value of a share of  Common
Stock  on the date of exercise less the Exercise Price,  and  (z)
the  denominator of which is the Fair Market Value of a share  of
Common  Stock on such date of exercise.  Fair Market Value  shall
be equal to the average of the last sale price of Common Stock on
each  of the ten trading days prior to the exercise date of  this
Warrant  on the principal exchange of which the Common Stock  may
at  the time be listed; or, if there shall have been no sales  on
such exchange on any such trading day, the average of the closing
bid and asked prices on such exchange on such trading day; or, if
there  is no such bid and asked price occurred; or, if the Common
Stock  shall  not be so listed, the average of the closing  sales
prices  as  reported by NASDAQ (including its bulletin board)  at
the  end  of  each of the ten trading days prior to the  date  of
exercise of this Warrant in the over-the counter market; provided
that  if  one class of the Common Stock is listed or reported  as
described  in  this sentence but the class of Common  Stock  with
respect  to which Fair Market Value is being measured is  not  so
listed  or  reported, then the Fair Market Value per  share  with
respect  to such unlisted and unreported class shall be identical
to such listed or reported class.

          3.3  Delivery.  The Warrant shall be exercisable by (i)
delivering to the Company the form of notice of exercise attached
hereto as Exhibit A duly completed and signed by the Holder or by
the  duly  appointed  legal  representative  or  duly  authorized
attorney  thereof,  and  (ii) depositing  with  the  Company  the
original of this Warrant, paying the aggregate Exercise Price for
the  number  of shares of Common Stock in respect  of  which  the
Warrant  is being exercised.  Upon each partial exercise  of  the
Warrant,  a new Warrant evidencing the balance of the  shares  of
Common Stock issuable hereunder will be issued to the Holder,  as
soon  as reasonably practicable, on the same terms as the Warrant
partially exercised.  All payments due upon any exercise of  this
Warrant shall be made in cash or by check or by making a Cashless
Exercise.

          3.4  Time of Exercise.  This Warrant shall be deemed to
have been exercised immediately prior to the close of business on
the date of its surrender for exercise and the person entitled to
receive  the  shares of Common Stock issuable upon such  exercise
shall be treated for all purposes as the holder of record of such
shares  as  of  the  close of business on  such  date;  provided,
however, that in the event that the transfer books of the Company
are closed on the date of exercise, the Holder shall be deemed to
have  become  a stockholder of record on the next succeeding  day
that the transfer books are open and until such date, the Company
shall  be  under no duty to cause to be delivered any certificate
for  such  shares.  As promptly as practicable on or  after  such
date  and  in  any  event within ten (10)  days  thereafter,  the
Company  at its expense shall issue and deliver to the person  or
persons   entitled   to  receive  the  same  a   certificate   or
certificates  for  the  number  of  shares  issuable  upon   such
exercise.  In the event that this Warrant is exercised  in  part,
the Company at its expense will execute and deliver a new Warrant
of like tenor exercisable for the number of shares for which this
Warrant may then be exercised.

     4.    Payment of Taxes and Expenses.  The Company shall  pay
all  expenses  in  connection  with,  and  all  taxes  and  other
governmental  charges that may be imposed with  respect  to,  the
issuance  or  delivery  of this Warrant and  the  Warrant  Stock,
unless  any such tax or charge is imposed by law upon the  Holder
or  upon  the  income or gain of Holder in connection  with  this
Warrant,  in which case such tax or charge shall be paid  by  the
Holder.   The Company shall not be required, however, to pay  any
tax  or  other  charge imposed in connection  with  any  transfer
involved in the issuance of any certificate for shares of  Common
Stock in any name other than that of the Holder, and in such case
the  Company shall not be required to issue or deliver any  stock
certificate until such tax or other charge has been  paid  or  it
has  been established to the satisfaction of the Company that  no
such tax or other charge is due.

     5.    No  Fractional Shares.  No fractional shares shall  be
issued  upon  the  exercise of this  Warrant.   In  lieu  of  any
fractional share to which the Holder would otherwise be entitled,
the Company shall make a cash payment equal to the Exercise Price
multiplied by such fraction.

     6.     Replacement  of  Warrant.   On  receipt  of  evidence
reasonably  satisfactory  to  the Company  of  the  loss,  theft,
destruction  or mutilation of this Warrant and, in  the  case  of
loss, theft or destruction, on delivery of an indemnity agreement
reasonably satisfactory in form and substance to the Company  or,
in  the case of mutilation, or surrender and cancellation of this
Warrant, the Company at its expense shall execute and deliver, in
lieu of this Warrant, a new warrant of like tenor and amount.

     7.   Adjustments.

          (a)   Adjustment.  The number of shares of Common Stock
for  which this Warrant is exercisable and the Exercise Price  at
which such shares may be purchased shall be subject to adjustment
from time to time as set forth in this Section 7.

          (b)   Stock  Dividends, Subdivisions and  Combinations.
If at any time the Company shall:

               (i)   pay  or  make  a dividend  on  Common  Stock
payable in additional shares of Common Stock;

               (ii)  subdivide its outstanding shares  of  Common
Stock into a larger number of shares of Common Stock; or

               (iii)     combine its outstanding shares of Common
Stock into a smaller number of shares of Common Stock;

then  (A)  the  number of shares of Common Stock for  which  this
Warrant  is exercisable immediately after the happening  of  such
event  shall be adjusted to equal the number of shares of  Common
Stock  which  a  record holder of the same number  of  shares  of
Common  Stock  immediately prior to the happening of  such  event
would  own or be entitled to receive after the happening of  such
event, and (B) the Exercise Price shall be adjusted to equal  (1)
the  Exercise Price multiplied by the number of shares of  Common
Stock for which this Warrant is exercisable immediately prior  to
the adjustment divided by (2) the number of shares for which this
Warrant is exercisable immediately after such adjustment.

          (c)  Dividends and Distributions.  If the Company shall
distribute  to  all holders of its outstanding shares  of  Common
Stock  evidence  of indebtedness of the Company, cash  (including
cash  dividends  payable out of consolidated earnings  or  earned
surplus) or assets or securities other than additional shares  of
Common  Stock,  including  stock of a  subsidiary  but  excluding
dividends or distributions referred to in Section 7(b) above (any
such  evidences of indebtedness, cash, assets or securities,  the
"assets  or  securities"), then, in each  case,   the  number  of
shares  of Common Stock issuable after such record date to Holder
upon  the  exercise  of  each  Warrant  shall  be  determined  by
multiplying  the number of shares of Common Stock  issuable  upon
the  exercise  of such Warrant immediately prior to  such  record
date  by  a  fraction, the numerator of which shall be  the  fair
market  value per share of Common Stock immediately prior to  the
record  date for such distribution and the denominator  of  which
shall  be  the  fair  market  value per  share  of  Common  Stock
immediately  prior to the record date for such distribution  less
the then fair value (as determined in good faith by the Board) of
the  evidences  of  its indebtedness, cash  or  assets  or  other
distributions so distributed attributable to one share of  Common
Stock.    Such  adjustment  shall  be  made  whenever  any   such
distribution is made, and shall become effective on the  date  of
distribution retroactive to the record date for the determination
of  stockholders  entitled  to receive  such  distribution.   Any
adjustment  required by this Section 7(c) shall be made  whenever
any  such distribution is made, and shall become effective on the
date of such distribution retroactive to the record date for  the
determination   of   stockholders  entitled   to   receive   such
distribution.

     (d)   Reorganization,  Reclassification,  Consolidation   or
Merger.   If  the Company shall (i) effect any reorganization  or
reclassification  of  its capital stock or  (ii)  consolidate  or
merge  with or into, or transfer all or substantially all of  its
properties and assets to, any other person, in either case  in  a
transaction  in connection with which a Holder has not  exercised
this  Warrant, then, upon any exercise of this Warrant subsequent
to  the  consummation thereof, such Holder shall be  entitled  to
receive,  in  lieu  of  the Common Stock issuable  upon  exercise
immediately  prior  to such consummation, the highest  amount  of
stock,  other  securities or property (including cash)  to  which
such  Holder  would have been entitled upon such consummation  if
such Holder had exercised this Warrant immediately prior thereto,
all subject to further adjustments thereafter as provided in this
Section  7.   In  the case of a consolidation,  merger,  sale  or
transfer   which  includes  an  election  as  to  the   kind   of
consideration to be received by the holders, and the transfer  is
not  the  same  for  each share of Common  Stock,  then  for  the
purposes of this Section the kind and amount of securities,  cash
and  other  property receivable upon such consolidation,  merger,
sale  or  transfer shall be deemed to be the kind and  amount  so
receivable per share by a plurality of the holders.

     (e)  All calculations under this Section 7 shall be made  to
the  nearest cent or to the nearest one-hundredth of a share,  as
the case may be.

     8.    No  Rights of Stockholders.  Subject to this  Warrant,
the Holder shall not be entitled to vote, to receive dividends or
subscription  rights, or to be deemed the holder of Common  Stock
or  any  other securities of the Company that may at any time  be
issuable  on  the  exercise hereof for  any  purpose,  nor  shall
anything contained herein be construed to confer upon the Holder,
as  such,  any  of  the rights of a stockholder of  the  Company,
including  without limitation any right to vote for the  election
of  directors  or  upon any matter submitted to stockholders,  to
give  or  withhold consent to any corporate action (whether  upon
any  recapitalization,  issuance of  stock,  reclassification  of
stock,  change of par value or change of stock to no  par  value,
consolidation,  merger,  conveyance, or  otherwise),  to  receive
notices,  or  otherwise,  until  the  Warrant  shall  have   been
exercised as provided herein.

     9.   Transfer of Warrant.

          9.1   Warrant  Register.  The Company will  maintain  a
register  (the  "Warrant  Register")  containing  the  names  and
addresses  of the Holder or Holders.  Any Holder of this  Warrant
or  any  portion thereof may change its address as shown  on  the
Warrant Register by written notice to the Company requesting such
change,  and the Company shall promptly make such change.   Until
this  Warrant  is  transferred on the  Warrant  Register  of  the
Company, the Company may treat the Holder as shown on the Warrant
Register  as the absolute owner of this Warrant for all purposes,
notwithstanding any notice to the contrary.

          9.2  Exchange of Warrant Upon a Transfer.  On surrender
of this Warrant for exchange, properly endorsed on the Assignment
attached hereto and subject to the provisions of this Warrant and
with the limitations on assignments and transfers as contained in
this  Section 9, the Company at its expense shall issue to or  on
the  order of the Holder a new warrant or warrants of like tenor,
in  the  name of the Holder or as the Holder (on payment  by  the
Holder  of  any  applicable transfer taxes) may direct,  for  the
number of shares issuable upon exercise hereof.

     10.  Reservation and Authorization of Common Stock.

           (a)   The Company shall at all times reserve and  keep
available  for  issuance upon the exercise of  this  Warrant  the
maximum  number of its authorized but unissued shares  of  Common
Stock  as  could  then  potentially be  required  to  permit  the
exercise  in  full  of  this and all outstanding  Warrants.   All
shares of Common Stock issuable upon exercise of any Warrant  and
payment  therefor in accordance with the terms  of  such  Warrant
shall be duly and validly issued and fully paid and nonassesable,
and not subject to or privileged with any preemptive rights.

           (b)   Before  taking any action which would  cause  an
adjustment reducing the Exercise Price below the then par  value,
if  any, of the shares of Common Stock issuable upon exercise  of
the  Warrants, the Company shall take any corporate action  which
may  be  necessary  in  order that the Company  may  validly  and
legally issue fully paid and nonassessable shares of such  Common
Stock at such adjusted Exercise Price.

     10.    Notices.   Any  notice,  request,  consent  or  other
communication required to be made hereunder shall  be  deemed  to
have been made: (a) in the case of personal delivery, on the date
of  such  delivery;  (b)  in the case of mailing,  on  the  third
business day following the date of such mailing; and (c)  in  the
case  of  facsimile  transmission, when  confirmed  by  facsimile
machine report to the parties at the following addresses:

          If to Holder:

               J. Richard Knop
               2 West Washington St.
               Post Office Box 978
               Middleburg, Virginia 20118
               Fax:   540/ 687-8112

          If to Company:

               5904 Richmond Highway
               Suite 300
               Alexandria, Virginia  22303
               Fax: 703/329-9409

     11.   Legend. Neither this Warrant nor the shares of  common
stock issuable upon exercise of this Warrant have been registered
under  the  Securities  Act of 1933, as  amended,  or  under  the
securities  laws  of  any state.  Neither this  Warrant  nor  the
shares  of common stock issued upon exercise of this Warrant  may
be  sold, transferred, pledged or hypothecated in the absence  of
(i)  an effective registration statement for this Warrant or  the
shares, as the case may be, under the Securities Act of 1933,  as
amended,  and  such  registration  or  qualification  as  may  be
necessary  under  the securities laws of any state,  or  (ii)  an
opinion  of  counsel reasonably satisfactory to the Company  that
such  registration or qualification is not required. The  Company
shall  cause a certificate or certificates evidencing all or  any
of  the  shares  of  common stock issued upon  exercise  of  this
Warrant  prior  to  said registration and qualification  of  such
shares to bear the following legend:

          THE  SHARES EVIDENCED BY THIS CERTIFICATE HAVE NOT
          BEEN  REGISTERED UNDER THE SECURITIES ACT OF 1933,
          AS  AMENDED, OR UNDER THE SECURITIES LAWS  OF  ANY
          STATE.  THE  SHARES MAY NOT BE SOLD,  TRANSFERRED,
          PLEDGED  OR  HYPOTHECATED IN  THE  ABSENCE  OF  AN
          EFFECTIVE   REGISTRATION   STATEMENT   UNDER   THE
          SECURITIES  ACT  OF  1933, AS  AMENDED,  AND  SUCH
          REGISTRATION OR QUALIFICATION AS MAY BE  NECESSARY
          UNDER  THE  SECURITIES LAWS OF ANY  STATE,  [OR  A
          VALID  EXEMPTION  FROM  REGISTRATION  UNDER   SUCH
          LAWS].


     (c)   Termination of Restrictions.  The legend  requirements
of  Section  11 shall terminate when either (i) the  security  in
question  shall  have  been  effectively  registered  under   the
Securities  Act  and  disposed of pursuant thereto  or  (ii)  the
Company  shall  have  received an opinion of  counsel  reasonably
satisfactory to it that such legend is not required in  order  to
insure compliance with the Securities Act.

     12.    Investment  Covenant.   The  Holder  by  his  or  her
acceptance  hereof covenants that this Warrant is and any  common
stock  issued hereunder will be acquired for investment purposes,
and that the Holder will not distribute the same in violation  of
any state or federal law or regulation.


     13.   Amendments.  The terms and provisions of this  Warrant
may  not be modified or amended, or any provisions hereof waived,
temporarily  or  permanently, except by written  consent  of  the
Company and the Holder.

     14.   Certificate.   Upon  request by  the  Holder  of  this
Warrant,  the  Company shall promptly deliver to  such  holder  a
certificate executed by its President or Chief Financial  Officer
setting  forth the total number of outstanding shares of  capital
stock, convertible debt instruments and options, rights, warrants
or  other  agreements relating to the purchase  of  such  capital
stock   or  convertible  debt  instruments,  together  with   its
calculation  of  the  number of shares  remaining  available  for
issuance upon exercise of this Warrant, and a certificate of  the
accuracy of the statements set forth therein.

     15    Successors and Assigns.  This Warrant and  the  rights
and  duties  of the Holder set forth herein may be  assigned,  in
whole  or in part, by the Holder.  The obligations of the Company
evidenced  by this Warrant shall be binding upon its  successors,
but  neither this Warrant nor any of the rights or duties of  the
Company  set  forth herein shall be assigned by the  Company,  in
whole  or  in  part,  without having first received  the  written
consent of the Holder.

     16.   Governing Law.  This Warrant shall be governed by, and
construed  in  accordance with, the laws of the  Commonwealth  of
Virginia  without  regard to the principles of conflicts  of  law
thereof.

     IN  WITNESS WHEREOF, the Company has caused this Warrant  to
be  executed on its behalf and under its corporate seal as of the
date  first above written by one of its duly authorized  officers
and  its  execution hereof to be attested by another of its  duly
authorized officers.

Date:     March 30, 2000           HADRON, INC.


                                    /S/ C.W. GILLULY
                                   By: ---------------------------
                                        C.W. Gilluly
                                        Chief Executive Officer






Attested:

/s/ S. AMBER GORDON
________________________
Secretary

<PAGE>


                          ATTACHMENT A

                       NOTICE OF EXERCISE

To:  HADRON, INC. (the "Company")

      The  undersigned hereby irrevocably elects to exercise  the
right of purchase thereunder, ____________ shares of Common Stock
of  the  Company,  as provided for therein, and tenders  herewith
payment  of  the  purchase price in full  in  the  form  of  wire
transfer,   cash   or  a  check  in  the  aggregate   amount   of
$___________.  If  said number of shares shall  not  be  all  the
shares  purchasable  under  the within  Warrant,  a  new  Warrant
Certificate  is to be issued in the name of said undersigned  for
the  balance remaining of the shares purchasable thereunder  less
any fraction of a share paid in cash.

      Please issue a certificate or certificates for such  shares
of  Common  Stock  in  the name of, and  pay  any  cash  for  any
fractional share to:

               Name:______________________________
               By:________________________________
               Signature:___________________________


                           ASSIGNMENT

          (To be executed only upon assignment of Warrant)

       For  value  received,  __________________________,  hereby
sells,  assigns  and transfers unto ________________________  the
within  Warrant,  together  with all right,  title  and  interest
therein,  and  does  hereby irrevocably  constitute  and  appoint
_______________________ attorney, to transfer said Warrant on the
books   of   the  within-named  Company,  with  full   power   of
substitution of the premises.


Dated: ___________________, 20___



____________________________________

                                                              By:

________________________________



<PAGE>





                             WARRANT

THE  SECURITIES  REPRESENTED HEREBY AND THE  SECURITIES  ISSUABLE
UPON  THE  EXERCISE  HEREOF HAVE NOT BEEN  REGISTERED  UNDER  THE
SECURITIES ACT OF 1933 AS AMENDED OR ANY STATE SECURITIES LAW AND
MAY  NOT  BE  TRANSFERRED, SOLD OR OTHERWISE DISPOSED  OF  EXCEPT
PURSUANT  TO  AN  EFFECTIVE REGISTRATION  STATEMENT  OR  A  VALID
EXEMPTION  FROM REGISTRATION UNDER SUCH ACT AND APPLICABLE  STATE
SECURITIES LAWS.


           WARRANT TO PURCHASE SHARES OF COMMON STOCK
          (subject to adjustment hereinafter provided)

                               of

                          HADRON, INC.

This  certifies that, for value received, John D. Sanders or  his
registered assigns ("Holder") is entitled, subject to  the  terms
set  forth  below,  to purchase from Hadron,  Inc.,  a  New  York
corporation (the "Company"), such number of shares of the  Common
Stock,  par  value  $0.02  per share  ("Common  Stock"),  of  the
Company, that are purchasable in connection with the exercise  of
the Warrant, as defined in Section 3 below, upon surrender hereof
at  the  principal office of the Company referred to below,  with
the  Notice  of  Exercise attached hereto as  Attachment  A  duly
executed and simultaneous payment therefor (at the Exercise Price
as  set  forth in Section 2 below) in lawful money of the  United
States  or  otherwise as hereinafter provided.   The  number  and
Exercise  Price  of such shares of Common Stock  are  subject  to
adjustment as provided below.  The term "Warrant" as used  herein
shall  include  the Warrant under this Warrant and  any  warrants
delivered  in  substitution  or  exchange  therefor  as  provided
herein.

     1.    Term  of Warrant.  Subject to the terms and conditions
set  forth herein, the Warrant shall be exercisable, in whole  or
in  part, for a period of five (5) years commencing on March  30,
2000 and ending on March 30, 2005.

     2.    Exercise  Price.   The exercise price  at  which  this
Warrant may be exercised shall be seventy-two cents ($0.72)   per
share of Common Stock. (the "Exercise Price").

     3.   Number of Shares; Exercise of Warrant.

          3.1   Exercise  and Number of Shares.  Subject  to  the
provisions  of  this Agreement, the Holder of this Warrant  shall
have  the  right  to purchase from the Company (and  the  Company
shall  issue  and sell to such Holder), in the aggregate,  up  to
81,000 shares of the Company's Common Stock.  This Warrant may be
exercised in whole or in part in as many exercises as Holder  may
elect.  The Exercise Price shall be payable by check for good and
sufficient United States funds.

          3.2    Cashless   Exercise.   Subject  to   the   other
provisions  of  this  Agreement, in  lieu  of  any  cash  payment
required  upon exercise of the Warrant, the Holder may  elect  to
exercise  this  Warrant in full or in part by  surrendering  this
Warrant in the manner specified in Section 3.1 hereof in exchange
for the number of shares of Common Stock equal to the product  of
(i)  the number of shares of Common Stock as to which the Warrant
is  being  exercised  multiplied by  (ii)  a  fraction,  (y)  the
numerator of which is the Fair Market Value of a share of  Common
Stock  on the date of exercise less the Exercise Price,  and  (z)
the  denominator of which is the Fair Market Value of a share  of
Common  Stock on such date of exercise.  Fair Market Value  shall
be equal to the average of the last sale price of Common Stock on
each  of the ten trading days prior to the exercise date of  this
Warrant  on the principal exchange of which the Common Stock  may
at  the time be listed; or, if there shall have been no sales  on
such exchange on any such trading day, the average of the closing
bid and asked prices on such exchange on such trading day; or, if
there  is no such bid and asked price occurred; or, if the Common
Stock  shall  not be so listed, the average of the closing  sales
prices  as  reported by NASDAQ (including its bulletin board)  at
the  end  of  each of the ten trading days prior to the  date  of
exercise of this Warrant in the over-the counter market; provided
that  if  one class of the Common Stock is listed or reported  as
described  in  this sentence but the class of Common  Stock  with
respect  to which Fair Market Value is being measured is  not  so
listed  or  reported, then the Fair Market Value per  share  with
respect  to such unlisted and unreported class shall be identical
to such listed or reported class.

          3.3  Delivery.  The Warrant shall be exercisable by (i)
delivering to the Company the form of notice of exercise attached
hereto as Exhibit A duly completed and signed by the Holder or by
the  duly  appointed  legal  representative  or  duly  authorized
attorney  thereof,  and  (ii) depositing  with  the  Company  the
original of this Warrant, paying the aggregate Exercise Price for
the  number  of shares of Common Stock in respect  of  which  the
Warrant  is being exercised.  Upon each partial exercise  of  the
Warrant,  a new Warrant evidencing the balance of the  shares  of
Common Stock issuable hereunder will be issued to the Holder,  as
soon  as reasonably practicable, on the same terms as the Warrant
partially exercised.  All payments due upon any exercise of  this
Warrant shall be made in cash or by check or by making a Cashless
Exercise.

          3.4  Time of Exercise.  This Warrant shall be deemed to
have been exercised immediately prior to the close of business on
the date of its surrender for exercise and the person entitled to
receive  the  shares of Common Stock issuable upon such  exercise
shall be treated for all purposes as the holder of record of such
shares  as  of  the  close of business on  such  date;  provided,
however, that in the event that the transfer books of the Company
are closed on the date of exercise, the Holder shall be deemed to
have  become  a stockholder of record on the next succeeding  day
that the transfer books are open and until such date, the Company
shall  be  under no duty to cause to be delivered any certificate
for  such  shares.  As promptly as practicable on or  after  such
date  and  in  any  event within ten (10)  days  thereafter,  the
Company  at its expense shall issue and deliver to the person  or
persons   entitled   to  receive  the  same  a   certificate   or
certificates  for  the  number  of  shares  issuable  upon   such
exercise.  In the event that this Warrant is exercised  in  part,
the Company at its expense will execute and deliver a new Warrant
of like tenor exercisable for the number of shares for which this
Warrant may then be exercised.

     4.    Payment of Taxes and Expenses.  The Company shall  pay
all  expenses  in  connection  with,  and  all  taxes  and  other
governmental  charges that may be imposed with  respect  to,  the
issuance  or  delivery  of this Warrant and  the  Warrant  Stock,
unless  any such tax or charge is imposed by law upon the  Holder
or  upon  the  income or gain of Holder in connection  with  this
Warrant,  in which case such tax or charge shall be paid  by  the
Holder.   The Company shall not be required, however, to pay  any
tax  or  other  charge imposed in connection  with  any  transfer
involved in the issuance of any certificate for shares of  Common
Stock in any name other than that of the Holder, and in such case
the  Company shall not be required to issue or deliver any  stock
certificate until such tax or other charge has been  paid  or  it
has  been established to the satisfaction of the Company that  no
such tax or other charge is due.

     5.    No  Fractional Shares.  No fractional shares shall  be
issued  upon  the  exercise of this  Warrant.   In  lieu  of  any
fractional share to which the Holder would otherwise be entitled,
the Company shall make a cash payment equal to the Exercise Price
multiplied by such fraction.

     6.     Replacement  of  Warrant.   On  receipt  of  evidence
reasonably  satisfactory  to  the Company  of  the  loss,  theft,
destruction  or mutilation of this Warrant and, in  the  case  of
loss, theft or destruction, on delivery of an indemnity agreement
reasonably satisfactory in form and substance to the Company  or,
in  the case of mutilation, or surrender and cancellation of this
Warrant, the Company at its expense shall execute and deliver, in
lieu of this Warrant, a new warrant of like tenor and amount.

     7.   Adjustments.

          (a)   Adjustment.  The number of shares of Common Stock
for  which this Warrant is exercisable and the Exercise Price  at
which such shares may be purchased shall be subject to adjustment
from time to time as set forth in this Section 7.

          (b)   Stock  Dividends, Subdivisions and  Combinations.
If at any time the Company shall:

               (i)   pay  or  make  a dividend  on  Common  Stock
payable in additional shares of Common Stock;

               (ii)  subdivide its outstanding shares  of  Common
Stock into a larger number of shares of Common Stock; or

               (iii)     combine its outstanding shares of Common
Stock into a smaller number of shares of Common Stock;

then  (A)  the  number of shares of Common Stock for  which  this
Warrant  is exercisable immediately after the happening  of  such
event  shall be adjusted to equal the number of shares of  Common
Stock  which  a  record holder of the same number  of  shares  of
Common  Stock  immediately prior to the happening of  such  event
would  own or be entitled to receive after the happening of  such
event, and (B) the Exercise Price shall be adjusted to equal  (1)
the  Exercise Price multiplied by the number of shares of  Common
Stock for which this Warrant is exercisable immediately prior  to
the adjustment divided by (2) the number of shares for which this
Warrant is exercisable immediately after such adjustment.

          (c)  Dividends and Distributions.  If the Company shall
distribute  to  all holders of its outstanding shares  of  Common
Stock  evidence  of indebtedness of the Company, cash  (including
cash  dividends  payable out of consolidated earnings  or  earned
surplus) or assets or securities other than additional shares  of
Common  Stock,  including  stock of a  subsidiary  but  excluding
dividends or distributions referred to in Section 7(b) above (any
such  evidences of indebtedness, cash, assets or securities,  the
"assets  or  securities"), then, in each  case,   the  number  of
shares  of Common Stock issuable after such record date to Holder
upon  the  exercise  of  each  Warrant  shall  be  determined  by
multiplying  the number of shares of Common Stock  issuable  upon
the  exercise  of such Warrant immediately prior to  such  record
date  by  a  fraction, the numerator of which shall be  the  fair
market  value per share of Common Stock immediately prior to  the
record  date for such distribution and the denominator  of  which
shall  be  the  fair  market  value per  share  of  Common  Stock
immediately  prior to the record date for such distribution  less
the then fair value (as determined in good faith by the Board) of
the  evidences  of  its indebtedness, cash  or  assets  or  other
distributions so distributed attributable to one share of  Common
Stock.    Such  adjustment  shall  be  made  whenever  any   such
distribution is made, and shall become effective on the  date  of
distribution retroactive to the record date for the determination
of  stockholders  entitled  to receive  such  distribution.   Any
adjustment  required by this Section 7(c) shall be made  whenever
any  such distribution is made, and shall become effective on the
date of such distribution retroactive to the record date for  the
determination   of   stockholders  entitled   to   receive   such
distribution.

     (d)   Reorganization,  Reclassification,  Consolidation   or
Merger.   If  the Company shall (i) effect any reorganization  or
reclassification  of  its capital stock or  (ii)  consolidate  or
merge  with or into, or transfer all or substantially all of  its
properties and assets to, any other person, in either case  in  a
transaction  in connection with which a Holder has not  exercised
this  Warrant, then, upon any exercise of this Warrant subsequent
to  the  consummation thereof, such Holder shall be  entitled  to
receive,  in  lieu  of  the Common Stock issuable  upon  exercise
immediately  prior  to such consummation, the highest  amount  of
stock,  other  securities or property (including cash)  to  which
such  Holder  would have been entitled upon such consummation  if
such Holder had exercised this Warrant immediately prior thereto,
all subject to further adjustments thereafter as provided in this
Section  7.   In  the case of a consolidation,  merger,  sale  or
transfer   which  includes  an  election  as  to  the   kind   of
consideration to be received by the holders, and the transfer  is
not  the  same  for  each share of Common  Stock,  then  for  the
purposes of this Section the kind and amount of securities,  cash
and  other  property receivable upon such consolidation,  merger,
sale  or  transfer shall be deemed to be the kind and  amount  so
receivable per share by a plurality of the holders.

     (e)  All calculations under this Section 7 shall be made  to
the  nearest cent or to the nearest one-hundredth of a share,  as
the case may be.

     8.    No  Rights of Stockholders.  Subject to this  Warrant,
the Holder shall not be entitled to vote, to receive dividends or
subscription  rights, or to be deemed the holder of Common  Stock
or  any  other securities of the Company that may at any time  be
issuable  on  the  exercise hereof for  any  purpose,  nor  shall
anything contained herein be construed to confer upon the Holder,
as  such,  any  of  the rights of a stockholder of  the  Company,
including  without limitation any right to vote for the  election
of  directors  or  upon any matter submitted to stockholders,  to
give  or  withhold consent to any corporate action (whether  upon
any  recapitalization,  issuance of  stock,  reclassification  of
stock,  change of par value or change of stock to no  par  value,
consolidation,  merger,  conveyance, or  otherwise),  to  receive
notices,  or  otherwise,  until  the  Warrant  shall  have   been
exercised as provided herein.

     9.   Transfer of Warrant.

          9.1   Warrant  Register.  The Company will  maintain  a
register  (the  "Warrant  Register")  containing  the  names  and
addresses  of the Holder or Holders.  Any Holder of this  Warrant
or  any  portion thereof may change its address as shown  on  the
Warrant Register by written notice to the Company requesting such
change,  and the Company shall promptly make such change.   Until
this  Warrant  is  transferred on the  Warrant  Register  of  the
Company, the Company may treat the Holder as shown on the Warrant
Register  as the absolute owner of this Warrant for all purposes,
notwithstanding any notice to the contrary.

          9.2  Exchange of Warrant Upon a Transfer.  On surrender
of this Warrant for exchange, properly endorsed on the Assignment
attached hereto and subject to the provisions of this Warrant and
with the limitations on assignments and transfers as contained in
this  Section 9, the Company at its expense shall issue to or  on
the  order of the Holder a new warrant or warrants of like tenor,
in  the  name of the Holder or as the Holder (on payment  by  the
Holder  of  any  applicable transfer taxes) may direct,  for  the
number of shares issuable upon exercise hereof.

     10.  Reservation and Authorization of Common Stock.

           (a)   The Company shall at all times reserve and  keep
available  for  issuance upon the exercise of  this  Warrant  the
maximum  number of its authorized but unissued shares  of  Common
Stock  as  could  then  potentially be  required  to  permit  the
exercise  in  full  of  this and all outstanding  Warrants.   All
shares of Common Stock issuable upon exercise of any Warrant  and
payment  therefor in accordance with the terms  of  such  Warrant
shall be duly and validly issued and fully paid and nonassesable,
and not subject to or privileged with any preemptive rights.

           (b)   Before  taking any action which would  cause  an
adjustment reducing the Exercise Price below the then par  value,
if  any, of the shares of Common Stock issuable upon exercise  of
the  Warrants, the Company shall take any corporate action  which
may  be  necessary  in  order that the Company  may  validly  and
legally issue fully paid and nonassessable shares of such  Common
Stock at such adjusted Exercise Price.

     10.    Notices.   Any  notice,  request,  consent  or  other
communication required to be made hereunder shall  be  deemed  to
have been made: (a) in the case of personal delivery, on the date
of  such  delivery;  (b)  in the case of mailing,  on  the  third
business day following the date of such mailing; and (c)  in  the
case  of  facsimile  transmission, when  confirmed  by  facsimile
machine report to the parties at the following addresses:

          If to Holder:

               John D. Sanders
               2500 Virginia Avenue, N.W.
               Apt. 1408-S
               Washington, D.C. 20037
               Fax:   202/ 965-4774

          If to Company:

               5904 Richmond Highway
               Suite 300
               Alexandria, Virginia  22303
               Fax: 703/329-9409

     11.   Legend. Neither this Warrant nor the shares of  common
stock issuable upon exercise of this Warrant have been registered
under  the  Securities  Act of 1933, as  amended,  or  under  the
securities  laws  of  any state.  Neither this  Warrant  nor  the
shares  of common stock issued upon exercise of this Warrant  may
be  sold, transferred, pledged or hypothecated in the absence  of
(i)  an effective registration statement for this Warrant or  the
shares, as the case may be, under the Securities Act of 1933,  as
amended,  and  such  registration  or  qualification  as  may  be
necessary  under  the securities laws of any state,  or  (ii)  an
opinion  of  counsel reasonably satisfactory to the Company  that
such  registration or qualification is not required. The  Company
shall  cause a certificate or certificates evidencing all or  any
of  the  shares  of  common stock issued upon  exercise  of  this
Warrant  prior  to  said registration and qualification  of  such
shares to bear the following legend:

          THE  SHARES EVIDENCED BY THIS CERTIFICATE HAVE NOT
          BEEN  REGISTERED UNDER THE SECURITIES ACT OF 1933,
          AS  AMENDED, OR UNDER THE SECURITIES LAWS  OF  ANY
          STATE.  THE  SHARES MAY NOT BE SOLD,  TRANSFERRED,
          PLEDGED  OR  HYPOTHECATED IN  THE  ABSENCE  OF  AN
          EFFECTIVE   REGISTRATION   STATEMENT   UNDER   THE
          SECURITIES  ACT  OF  1933, AS  AMENDED,  AND  SUCH
          REGISTRATION OR QUALIFICATION AS MAY BE  NECESSARY
          UNDER  THE  SECURITIES LAWS OF ANY  STATE,  [OR  A
          VALID  EXEMPTION  FROM  REGISTRATION  UNDER   SUCH
          LAWS].


     (c)   Termination of Restrictions.  The legend  requirements
of  Section  11 shall terminate when either (i) the  security  in
question  shall  have  been  effectively  registered  under   the
Securities  Act  and  disposed of pursuant thereto  or  (ii)  the
Company  shall  have  received an opinion of  counsel  reasonably
satisfactory to it that such legend is not required in  order  to
insure compliance with the Securities Act.

     12.    Investment  Covenant.   The  Holder  by  his  or  her
acceptance  hereof covenants that this Warrant is and any  common
stock  issued hereunder will be acquired for investment purposes,
and that the Holder will not distribute the same in violation  of
any state or federal law or regulation.


     13.   Amendments.  The terms and provisions of this  Warrant
may  not be modified or amended, or any provisions hereof waived,
temporarily  or  permanently, except by written  consent  of  the
Company and the Holder.

     14.   Certificate.   Upon  request by  the  Holder  of  this
Warrant,  the  Company shall promptly deliver to  such  holder  a
certificate executed by its President or Chief Financial  Officer
setting  forth the total number of outstanding shares of  capital
stock, convertible debt instruments and options, rights, warrants
or  other  agreements relating to the purchase  of  such  capital
stock   or  convertible  debt  instruments,  together  with   its
calculation  of  the  number of shares  remaining  available  for
issuance upon exercise of this Warrant, and a certificate of  the
accuracy of the statements set forth therein.

     15    Successors and Assigns.  This Warrant and  the  rights
and  duties  of the Holder set forth herein may be  assigned,  in
whole  or in part, by the Holder.  The obligations of the Company
evidenced  by this Warrant shall be binding upon its  successors,
but  neither this Warrant nor any of the rights or duties of  the
Company  set  forth herein shall be assigned by the  Company,  in
whole  or  in  part,  without having first received  the  written
consent of the Holder.

     16.   Governing Law.  This Warrant shall be governed by, and
construed  in  accordance with, the laws of the  Commonwealth  of
Virginia  without  regard to the principles of conflicts  of  law
thereof.

     IN  WITNESS WHEREOF, the Company has caused this Warrant  to
be  executed on its behalf and under its corporate seal as of the
date  first above written by one of its duly authorized  officers
and  its  execution hereof to be attested by another of its  duly
authorized officers.

Date:     March 30, 2000           HADRON, INC.


                                         /S/ C.W. GILLULY
                                   By:   --------------------------
                                         C.W. Gilluly
                                         Chief Executive Officer






Attested:

/S/ S. AMBER GORDON
________________________
Secretary

<PAGE>


                          ATTACHMENT A

                       NOTICE OF EXERCISE

To:  HADRON, INC. (the "Company")

      The  undersigned hereby irrevocably elects to exercise  the
right of purchase thereunder, ____________ shares of Common Stock
of  the  Company,  as provided for therein, and tenders  herewith
payment  of  the  purchase price in full  in  the  form  of  wire
transfer,   cash   or  a  check  in  the  aggregate   amount   of
$___________.  If  said number of shares shall  not  be  all  the
shares  purchasable  under  the within  Warrant,  a  new  Warrant
Certificate  is to be issued in the name of said undersigned  for
the  balance remaining of the shares purchasable thereunder  less
any fraction of a share paid in cash.

      Please issue a certificate or certificates for such  shares
of  Common  Stock  in  the name of, and  pay  any  cash  for  any
fractional share to:

               Name:______________________________
               By:________________________________
               Signature:___________________________


                           ASSIGNMENT

          (To be executed only upon assignment of Warrant)

       For  value  received,  __________________________,  hereby
sells,  assigns  and transfers unto ________________________  the
within  Warrant,  together  with all right,  title  and  interest
therein,  and  does  hereby irrevocably  constitute  and  appoint
_______________________ attorney, to transfer said Warrant on the
books   of   the  within-named  Company,  with  full   power   of
substitution of the premises.


Dated: ___________________, 20___



____________________________________

By:

________________________________















                          HADRON, INC.

                        VOTING AGREEMENT








                         March 30, 2000

<PAGE>

                          HADRON, INC.
                        VOTING AGREEMENT


     THIS AGREEMENT is made and entered into on March 30, 2000 by
and  among each of certain holders of the common stock of HADRON,
INC.,  a  New  York  corporation (the "Company"),  designated  as
Holders  on  the  signature pages hereto  (the  "Holders"),  C.W.
Gilluly  ("Gilluly"),  and Jon M. Stout  ("Stout"),  Patricia  W.
Stout  ("Mrs.  Stout"),  the  Stout Dynastic  Trust  (the  "Stout
Trust")  and  J. Richard Knop ("Knop") (Stout, Mrs. Stout,  Stout
Trust  and  Knop,  being collectively, the  "Investors"  and  the
Investors together with Gilluly, being collectively, the  "Voting
Group," and individually a "Member" of the Voting Group).

     WHEREAS,   pursuant  to  that  certain  Securities  Purchase
Agreement  of even date herewith (the "Purchase Agreement"),  the
Investors and certain of the Holders have purchased shares of the
Company's common stock, $0.02 par value ("Common Stock"); and

     WHEREAS,  as  a  consequence of the aforesaid purchase,  the
Members  of  the Voting Group hold a majority of the  issued  and
outstanding shares of Common Stock; and

     WHEREAS,  the  Holders and the Members of the  Voting  Group
desire  stability and continuity of management for  the  Company,
and  desire therefore to enter into this Agreement to provide for
voting  as  to the number and identity of directors  and  to  the
change in the state of the Company's corporate domicile.

     NOW,  THEREFORE,  in consideration of the  mutual  covenants
contained  herein and other good and valuable consideration,  the
receipt  and  sufficiency  of which is hereby  acknowledged,  the
parties hereby agree as follows:

     1.    Agreement  to  Vote.  Each Holder and  Member  of  the
Voting  Group  hereby  agrees to hold all  of  the  Common  Stock
registered in his or its name, and any securities of the  Company
issued  with  respect to, upon conversion of, or in  exchange  or
substitution   for  the  Common  Stock,  and  any  other   voting
securities of the Company subsequently acquired by such Holder or
Member,   (such   Common  Stock  and  other   voting   securities
hereinafter  collectively referred to  as  the  "Voting  Shares")
subject to, and to vote the Voting Shares in accordance with, the
provisions of this Agreement.  Except as set forth in paragraph 3
hereof,  any  person  purchasing or  otherwise  acquiring  Voting
Shares subsequent to the date hereof shall become a party to this
Agreement and shall be subject to the obligations hereunder.
<PAGE>


     2.   Board of Directors.

          (a)   From  and  after the date hereof  and  until  the
provisions of this Section cease to be effective, each Holder and
each Member (Holders and Members of the Voting Group collectively
referred  to  collectively as "Stockholders" and individually  as
"Stockholder")  shall vote all of the Voting  Shares  over  which
such  Stockholder  has voting control and shall  take  all  other
necessary or desirable actions within such Stockholder's  control
(whether  in  his  or  its  capacity as a stockholder,  director,
member  of  a  board  committee or  officer  of  the  Company  or
otherwise),  and  including, without  limitation,  attendance  at
meetings in person or by proxy for purposes of obtaining a quorum
and execution of written consents in lieu of meetings so that:

               (1)   The  authorized number  of  members  of  the
Company's Board of Directors (the "Board") shall continue  to  be
five  (5)  unless and until such greater number  is  directed  or
approved by the Investors.

               (2)   During  the  term  of  this  Agreement,  the
Investors shall be entitled to nominate (the "Investor Nominees")
and  the  Stockholders  shall vote  their  shares  to  elect  the
Investor Nominees as the majority of the members of the Board.

       (3)  Any Investor Nominee elected or appointed as a director
hereunder shall be removed from the Board (and thereupon from all
committees  of the Board), with or without cause, only  upon  the
written request or consent of the Investors.

               (4)   In  the  event  that  any  Investor  Nominee
designated hereunder for any reason ceases to serve as  a  member
of   the   Board   or   any   committee   thereof   during   such
representative's  term of office, the resulting  vacancy  on  the
Board or committee shall be filled by a newly designated Investor
Nominee.

               (5)   Upon the written direction or consent of the
Investors,  the  Company  shall  take  such  actions  as  may  be
necessary and convenient to change the corporate domicile of  the
Company to the state of Delaware.

          (b)   In  each case provided for herein, the direction,
consent,  approval, nomination or vote of the Investors shall  be
determined by the Investors holding a majority of the  shares  of
the Company's Common Stock held by all Investors.
<PAGE>
     3.   Successors in Interest.

   (a)  With the exception of transfers made under the conditions
set  forth in paragraphs 3(a)(1) and 3(a)(2) below, any attempted
transfer  of the Voting Shares shall be of no effect  unless  and
until  the  person(s) to whom such shares are  being  transferred
agrees  in  writing to be bound by the terms of  this  Agreement.
This  agreement shall not apply to shares that are  sold  by  the
parties  during the term of this agreement, provided  such  sales
are either:

    (1)  open market sales in brokers' transactions as that term is
defined in Rule 144, under the Securities Act of 1933; or

    (2)  sales made after the Investors shall have declined a right
of  first  refusal to purchase such shares at the same price  and
terms   offered  by  a  bona  fide  offeree  in  an  arms  length
transaction  within  three  (3)  business  days  after  Investors
receipt  of  written notice specifying the price  and  terms  and
identity of the prospective purchaser.

         (b)   Each  certificate representing any of the  Voting
Shares shall bear a legend reading as follows:

          The  shares  evidenced hereby are subject to  a  Voting
          Agreement dated as of March 30, 2000 (a copy  of  which
          may  be  obtained without charge from the issuer)  that
          contains certain restrictions on the transferability of
          the  shares,  and  by accepting any  interest  in  such
          shares  the  person  accepting such interest  shall  be
          deemed  to agree to and shall become bound by  all  the
          provisions of such Voting Agreement.

     4.    Termination.   This Agreement shall terminate  in  its
entirety and be of no further force or effect five (5) years from
the effective date of this Agreement.

     5.   Amendments and Waivers.  Any term hereof may be amended
and  the  observance  of any term hereof may  be  waived  (either
generally or in a particular instance and either retroactively or
prospectively) only with the written consent of (a)  the  Holders
or  their assigns holding not less than a majority of the  shares
of  Common Stock held by all Holders; and (b) the Members of  the
Voting Group or their assigns holding not less than a majority of
the  shares  of  Common Stock held by all Members of  the  Voting
Group.  Any amendment or waiver so effected shall be binding upon
all parties hereto, any assignee of any such party, and any other
stockholder  of  the  Company  subject  to  the  terms  of   this
Agreement.

     6.    Stock  Splits, Stock Dividends, etc.  In the event  of
any    stock    split,    stock    dividend,    recapitalization,
reorganization, or the like, any securities issued  with  respect
to the Voting Shares shall become "Voting Shares" for purposes of
this Agreement and shall be endorsed with the legend set forth in
Section 3(b) hereof.
<PAGE>
     7.    Enforceability/Severability.  The parties hereto agree
that  each  provision of this Agreement shall be  interpreted  in
such  a manner as to be effective and valid under applicable law.
If  any provision of this Agreement shall nevertheless be held to
be  prohibited  by  or  invalid under applicable  law,  (a)  such
provision  shall  be  ineffective only  to  the  extent  of  such
prohibition or invalidity, without invalidating the remainder  of
such provision or the remaining provisions of this Agreement, and
(b)  the  parties shall, to the extent permissible by  applicable
law, amend this Agreement, or enter into a voting trust agreement
under  which the Voting Shares shall be transferred to the voting
trust  created  thereby, so as to make effective and  enforceable
the intent of this Agreement.

     8.   Governing Law.  This Agreement shall be governed in all
respects  by  the  laws of the Commonwealth of  Virginia  without
reference to conflict of law provisions.

     9.   Notices.  All notices and other communications required
or permitted hereunder shall be in writing and shall be delivered
personally,  mailed  by  first class mail,  postage  prepaid,  or
delivered by courier or overnight delivery, addressed (a) to such
Stockholder's address on record with the Company.   Notices  that
are  mailed shall be deemed received ten (10) days after  deposit
in  the United States mail.  Notices sent by courier or overnight
delivery  shall be deemed received two (2) days after  they  have
been so sent.

     10.  Counterparts.  This Agreement may be executed in two or
more counterparts, each of which shall be deemed an original, but
all   of  which  together  shall  constitute  one  and  the  same
agreement.

     11.  Injunctive Relief.  Each holder of Voting Shares agrees
and acknowledges that money damages may not be an adequate remedy
for  any breach of the provisions of this Agreement and that each
holder  of  Voting Shares may, in its sole discretion, apply  for
specific  performance  and injunctive  relief  in  any  court  of
competent  jurisdiction  in  order  to  enforce  or  prevent  any
violations of the provisions of this Agreement.
<PAGE>

     IN  WITNESS  WHEREOF, the parties hereto have executed  this
Agreement as of the day and year herein above first written.

GILLULY:                      INVESTORS:

/S/ C.W. GILLULY              /S/ JON M. STOUT
- ----------------------        -----------------------------------
C.W. Gilluly                  Jon M. Stout

                              /S/ PATRICIA W. STOUT
                              -----------------------------------
                              Patricia W. Stout

                              Stout Dynastic Trust

                              /S/ JON M. STOUT
                              -----------------------------------
                              By Jon M. Stout, Trustee

                              /S/J. RICHARD KNOP
                              -----------------------------------
                              J. Richard Knop

                              HOLDERS:
                              /S/ JOHN D. SANDERS
                              -----------------------------------
                              John D. Sanders


                              BOLES KNOP AFFILIATES

                              /S/ JACK BOLES
                              ----------------------------------
                              Jack Boles

                              /S/ JEFF RUBIN
                              ----------------------------------
                              Jeff Rubin

                              /S/ J. RICHARD KNOP
                              ----------------------------------
                              J. Richard Knop

                              /S/ RICHARD MILLER
                              ----------------------------------
                              Richard Miller

                              /S/ JONATHAN CATHERWOOD
                              ----------------------------------
                              Jonathan Catherwood

                              /S/ BOB WRIGHT
                              ----------------------------------
                              Bob Wright

                              /S/ SUSUN WRIGHT
                              ----------------------------------
                              Susan Wright
<PAGE>












                  SECURITIES PURCHASE AGREEMENT


                              AMONG

                          HADRON, INC.

                          C.W. GILLULY

    JON M. STOUT, PATRICIA W. STOUT, THE STOUT DYNASTIC TRUST
                       AND J. RICHARD KNOP

                               AND

                         JOHN D. SANDERS



                         March 30, 2000
<PAGE>

                        TABLE OF CONTENTS

INTRODUCTION                                                   2

ARTICLE I DEFINITIONS                                          2
DEFINITIONS.                                                   2

ARTICLE II PURCHASE AND SALE OF SHARES  AND PURCHASE WARRANTS  5
2.1  PURCHASE AND SALE OF SHARES AND PURCHASE WARRANTS.        5
2.2  PURCHASE PRICE.                                           5
2.3  PAYMENT TERMS.                                            5
2.4  THE CLOSING.                                              5
2.5  USE OF PROCEEDS.                                          5
2.6  FURTHER ASSURANCES.                                       5
2.7  TRANSFER TAXES.                                           5

ARTICLE III RELATED AGREEMENTS                                 6
3.1  RELATED AGREEMENTS.                                       6

ARTICLE IV REPRESENTATIONS AND WARRANTIES  OF THE COMPANY AND
GILLULY                                                        6
4.1  ORGANIZATION OF COMPANY.                                  6
4.2  AUTHORITY RELATIVE TO THIS AGREEMENT.                     6
4.3  QUALIFICATION OF THE COMPANY.                             6
4.4  CAPITALIZATION OF THE COMPANY; VALIDITY OF SHARES.        7
4.5  COMPANY SUBSIDIARIES.                                     7
4.6  NO VIOLATION.                                             8
4.7  CONSENTS AND APPROVALS.                                   8
4.8  COMPLIANCE WITH LAWS.                                     8
4.9  LICENSES AND PERMITS.                                     8
4.10  ENVIRONMENTAL MATTERS.                                   9
4.11  FINANCIAL STATEMENTS.                                    9
4.12  ABSENCE OF CHANGE.                                       9
4.13  UNDISCLOSED LIABILITIES.                                11
4.14  CURRENT INFORMATION.                                    11
4.15  TAX MATTERS.                                            11
4.16  LABOR AND EMPLOYMENT MATTERS.                           11
4.17  LITIGATION.                                             12
4.18  TITLE TO PROPERTIES.                                    12
4.19  LEASES.                                                 12
4.20  MATERIAL CONTRACTS.                                     12
4.21  INTELLECTUAL PROPERTY.                                  13
4.22  ACCOUNTS RECEIVABLE.                                    14
4.23  MAINTENANCE OF TANGIBLE PERSONAL PROPERTY.              14
<PAGE>

                     TABLE OF CONTENTS (cont.)

4.24  INSURANCE.                                              14
4.25  EMPLOYEE BENEFIT PLANS.                                 14
4.26  INSIDER INTERESTS.                                      15
4.27  CERTAIN PRACTICES.                                      15
4.28  WORK IN PROGRESS.                                       15
4.29  INVESTMENT BANKING; BROKERAGE.                          16
4.30  CUSTOMERS.                                              16
4.31  WARRANTY AND RELATED MATTERS.                           16
4.32  RELATIONS.                                              16
4.33  RESTRICTIONS ON BUSINESS ACTIVITIES.                    17
4.34  SECURITY CLEARANCES; DEFECTIVE PRICING.                 17
4.35  REPORTS AND FINANCIAL STATEMENTS.                       17
4.36  FULL DISCLOSURE.                                        17

ARTICLE V REPRESENTATIONS AND WARRANTIES OF PURCHASERS        18
5.1  AUTHORITY.                                               18
5.2  INVESTMENT STATUS.                                       18
5.3  INVESTMENT BANKING; BROKERAGE FEES.                      18

ARTICLE VI ADDITIONAL COVENANTS                               18
6.1  EXPENSES.                                                18
6.2  PUBLIC ANNOUNCEMENTS.                                    19
6.3  FURTHER ASSURANCES.                                      19
6.4  BOARD OF DIRECTORS                                       19
6.5  UNITED BANK.                                             19
6.6  GILLULY'S LOAN REPAYMENT.                                19

ARTICLE VII CONDITIONS TO OBLIGATIONS OF PURCHASERS           19
7.1  REPRESENTATIONS AND WARRANTIES.                          19
7.2  PERFORMANCE OF THIS AGREEMENT.                           20
7.3  CORPORATE AUTHORIZATION.                                 20
7.4  EXECUTIVE AGREEMENTS.                                    20
7.5  APPROVALS AND CONSENTS.                                  20
7.6  UNITED BANK APPROVAL.                                    20
7.7  INJUNCTION, LITIGATION, ETC.                             20
7.8  LEGISLATION.                                             20
7.9  ESTOPPEL CERTIFICATES, ETC.                              20
7.10  RESIGNATION.                                            21
7.11  OPINION OF COUNSEL FOR COMPANY AND GILLULY.             21
7.12  FAIRNESS OPINION.                                       21
7.13  ELECTION OF DIRECTORS.                                  21
7.14  DELIVERY OF CLOSING DOCUMENTS.                          21

<PAGE>
                     TABLE OF CONTENTS (cont.)

7.15  INDEMNIFICATION AND CONTRIBUTION AGREEMENTS.            22

ARTICLE VIII CONDITIONS TO OBLIGATIONS OF GILLULY AND COMPANY 22
8.1  REPRESENTATIONS AND WARRANTIES.                          22
8.2  PERFORMANCE OF THIS AGREEMENT.                           22
8.3  INJUNCTION, LITIGATION, ETC.                             22
8.4  LEGISLATION.                                             22
8.5  DELIVERY OF CLOSING DOCUMENTS.                           23

ARTICLE IX CLOSING                                            23
9.1  TIME AND PLACE OF CLOSING.                               23
9.2  DELIVERIES BY COMPANY AND GILLULY.                       23
9.3  DELIVERIES BY PURCHASERS.                                23

ARTICLE X INDEMNIFICATION                                     24
10.1  INDEMNIFICATION BY COMPANY.                             24
10.2  INDEMNIFICATION BY PURCHASER.                           24
10.3  COMPANY'S OBLIGATIONS FOR THIRD PARTY CLAIMS.           24
10.4  PURCHASER'S OBLIGATIONS FOR THIRD PARTY CLAIMS.         25
10.5  LIMITATIONS ON INDEMNIFICATION.                         26
10.6  SURVIVAL; INVESTIGATION.                                27
10.7  WAIVER OF SURETYSHIP DEFENSES; LEGAL FEES.              27

ARTICLE XI GENERAL PROVISIONS                                 27
11.1  NOTICES.                                                27
11.2  GOVERNING LAW.                                          29
11.3  SCHEDULES.                                              29
11.4  HEADINGS.                                               30
11.5  COUNTERPARTS.                                           30
11.6  MISCELLANEOUS.                                          30

PURCHASER ALLOCATIONS                                         32



EXHIBITS

EXHIBIT A - Form of Purchase Warrant
EXHIBIT B - Purchaser Allocations
EXHIBIT C - Voting Agreement
EXHIBIT D - Registration Rights Agreement
EXHIBIT E - Founder Employment Agreement
<PAGE>
                     TABLE OF CONTENTS (cont.)

EXHIBIT F - Stout Employment Agreement
EXHIBIT G - Hadron, Inc. Certificate of Incorporation and Bylaws

SCHEDULES

SCHEDULE 4.4 - Warrants, Options and Convertible Securities
SCHEDULE 4.5 - Subsidiaries
SCHEDULE 4.7 - Consents and Approvals
SCHEDULE 4.12 - Bank Loan and Founder Loan
SCHEDULE 4.16 - Labor and Employment Matters
SCHEDULE 4.20 - Material Contracts
SCHEDULE 4.21 - Intellectual Property
SCHEDULE 4.25 - Insurance
SCHEDULE 4.26 - Employee Benefits
SCHEDULE 4.27 - Insider Interests
SCHEDULE 4.28 - Work in Progress
SCHEDULE 4.31 - Customers
SCHEDULE 4.32 - Warranties
SCHEDULE 4.33 - Banking Relations
SCHEDULE 7.11 - Opinion of Counsel for Company and Founder

<PAGE>

                  SECURITIES PURCHASE AGREEMENT

     This  SECURITIES PURCHASE AGREEMENT ("Agreement"), dated  as
of  the  30th  day  of  March, 2000, is made among  HADRON,  INC.
("Company"), a corporation organized under the laws of the  State
of  New  York,  Jon M. Stout ("Stout"), Patricia W. Stout  ("Mrs.
Stout"),  the  Stout Dynastic Trust ("Stout Trust"),  J.  Richard
Knop  ("Knop")  and  John  D.  Sanders ("Sanders")  (collectively
Stout,  Mrs. Stout, Stout Trust, Knop and Sanders being  referred
to as the "Purchasers") and C.W. Gilluly ("Gilluly").

                          INTRODUCTION

     A.   The issued and outstanding capital stock of the Company
consists,  as  of March 20, 2000, of 2,809,526 shares  of  common
stock, par value $.02 per share ("Common Stock"),

     B.    Gilluly owns 501,875 of the outstanding shares of  the
Company's Common Stock, options to purchase 82,000 shares of  the
Company's  Common  Stock and warrants to purchase  an  additional
830,000 shares of the Company's Common Stock;

      C.    Each of the Purchasers desires to purchase,  and  the
Company desires to issue and sell the number of shares of  Common
Stock  and  warrants to purchase Common Stock,  in  the  form  of
Exhibit  A,  set  forth opposite the name of  each  Purchaser  in
Exhibit  B  hereto, and to grant the Purchasers  the  rights  set
forth  herein,  representing an aggregate issuance  of  2,250,000
shares of Common Stock (the "Shares") and warrants to purchase an
additional  2,025,000  shares  of  Common  Stock  (the  "Purchase
Warrants") for an aggregate purchase price of $877,500; and

     D.    The  parties hereto desire to set forth herein certain
of the terms of their ongoing relationship in connection with the
Company.

     NOW  THEREFORE,  in consideration of the foregoing  and  the
representations, warranties and agreements herein contained,  the
parties agree as follows:

                            ARTICLE I

                           DEFINITIONS

     Definitions.
      The  following  terms, as used herein, have  the  following
meanings:

     "Bank" means United Bank or any subsequent primary lender to
the Company.

     "Bank Loan" means the Loan and Security Agreement dated June
29,  1999  between the Company, Avenue Technologies,  Inc.,  Vail
Research  and  Technology  Corporation,  Sycom  Services,   Inc.,
Engineering & Information Services, Inc. and United Bank.

     "Closing" has the meaning set forth in Section 2.4.
<PAGE>

     "Closing Date" has the meaning set forth in Section 9.1.

      "Common Stock" has the meaning set forth in paragraph A  of
the Introduction.

     "Company" means Hadron, Inc.

     "Company   Employees"   has  the  meaning   set   forth   in
     Section 4.16.

     "Company Financial Statements" has the meaning set forth  in
     Section 4.11.

     "Company's  Subsidiaries"  means Engineering  &  Information
Services,  Inc.,  a  Virginia  Corporation,  Vail  Research   and
Technology  Corporation, a Maryland Corporation, SyCom  Services,
Inc.,  a  Delaware  Corporation,  Avenue  Technologies,  Inc.,  a
Virginia  Corporation,  Advanced  Biosystems,  Inc.,  a  Delaware
corporation and certain inactive subsidiaries described   in  the
Company's  most  recent Form 10-K filed with the  Securities  and
Exchange Commission.

     "Disclosure Schedules" mean each of the Schedule  identified
     in Article IV.

     "Encumbrances"  means  liens, mortgages,  charges,  security
interests,  pledges, adverse claims, and other defects  in  title
generally  considered to be encumbrances. When referring  to  the
shares  of  stock  of the Company, Encumbrances  also  means  any
preemptive rights, rights of first refusal or restriction of  any
kind.

     "Environmental  Permits"  has  the  meaning  set  forth   in
     Section 4.10(a).

     "ERISA" means the Employment Retirement Income Security  Act
     of 1974, as amended.

     "Gilluly Loan" means a loan from Gilluly to the Company upon
the terms set forth in Schedule 4.12.

     "Governmental  Authority" means any United  States  federal,
state  or local or any foreign or tribal government, governmental
regulatory  or administrative authority, agency or commission  or
any court, tribunal, or judicial or arbitral body.

     "Governmental  Order"  means  any  order,  writ,   judgment,
injunction,  decree, stipulation, determination or award  entered
by or with any Governmental Authority.

     "Intellectual Property" has the meaning set forth in Section
4.21.

     "Investors" means Jon M. Stout, Mrs. Stout, Stout Trust  and
J. Richard Knop.

     "Leases" has the meaning set forth in Section 4.19.
<PAGE>
     "Legal  Action"  has the meaning set forth  in  Sub  section
10.3(b).

     "Licenses and Permits" has the meaning set forth in  Section
4.9.

     "Loan" has the meaning set forth in Section 6.5.

     "Material  Contracts" has the meaning set forth  in  Section
4.20.

     "PBGC" means the Pension Benefit Guaranty Corporation.

     "Pension  Plans"  has  the  meaning  set  forth  in  Section
4.26(a).

     "Person"  means an individual, a corporation, a partnership,
an  association,  a labor union, a trust or any other  entity  or
organization,  including a government,  a  governmental  body,  a
political subdivision or an agency of instrumentality thereof.

     "Purchase Price" has the meaning set forth in Section 2.2.

     "Purchase Warrants" has the meaning set forth in paragraph C
of the Introduction.

     "Related  Agreements"  means the  agreements  identified  in
Section 3.1

     "Shares" has the meaning set forth in the paragraph A of the
Introduction.

     "Stock Option Plan" means the 1994 Stock Option Plan of  the
Company  as  amended  in  Fiscal Year 1998  under  which  certain
employees  are granted options to purchase Common  Stock  in  the
Company.

     "Subsidiary"  with respect to any party to  this  Agreement,
means  any corporation or other business entity, whether  or  not
incorporated,  of  which  at  least  50%  of  the  securities  or
interests having, by their terms, ordinary voting power to  elect
members  of  the Board of Directors, or other persons  performing
similar  functions with respect to such entity, is held  directly
or indirectly by such party.

     "Survival Date" has the meaning set forth in Section 10.4.

     "to  the  knowledge  of Gilluly and Company"  means  to  the
knowledge of either the Company or Gilluly.

      "Unit"  means one share of Common Stock and  a  warrant  to
purchase .90 shares of Common Stock.

     "Welfare  Plans"  has  the  meaning  set  forth  in  Section
4.26(a).
<PAGE>
                           ARTICLE II

                   PURCHASE AND SALE OF SHARES
                      AND PURCHASE WARRANTS


     2.1  Purchase and Sale of Shares and Purchase Warrants.
Upon  the  terms and conditions of this Agreement and in reliance
on the representations and warranties set forth in Article IV, at
the  Closing  each Purchaser will purchase from the Company,  and
the  Company will issue and sell to each of the Purchasers, Units
consisting  of the number of shares of Common Stock and  Purchase
Warrants set forth opposite the name of such Purchaser in Exhibit
B  hereto for a purchase price of $0.39 per Unit; and the Company
shall grant the Purchasers the rights set forth herein.  Each  of
the  parties  agrees  and consents to terms  of  this  Agreement,
including  the Company's grant of the rights set forth herein  to
Investors.

     2.2  Purchase Price.
   TThe  purchase price for all the Units ("Purchase  Price")  is
eight   hundred  seventy-seven  thousand  five  hundred   dollars
($877,500), payable as set forth in Section 2.3.

     2.3  Payment Terms.
   The  Purchase Price for all of the Units shall be paid by wire
transfer  of  next day available funds or by check for  good  and
sufficient funds.

     2.4  The Closing.
Subject  to the terms and conditions of this Agreement, the  sale
and  purchase of the Units shall take place concurrently with the
execution  of  this  Agreement  at  a  closing  (the  "Closing"),
pursuant to Section 9.1.

     2.5  Use of Proceeds.
   The  proceeds  from  the  sale of the  Units  by  the  Company
hereunder  shall  be used by the Company for expenses  associated
with  the  consummation of the transactions contemplated  hereby,
for  regular  monthly payments of the Bank Loan, for the  partial
repayment  of  Gilluly  Loan as set forth  in  Section  6.6,  for
working  capital and general corporate purposes, but not  without
the  prior written approval of the Investors the repayment of any
other loans of the Company.

     2.6  Further Assurances.
  The Company and Gilluly from time to time after the Closing, at
the  request of the Purchasers and without further consideration,
shall  execute  and deliver further instruments of  transfer  and
assignment  and  take  such other action as  the  Purchasers  may
reasonably  require to more effectively transfer and  assign  to,
and  vest in the Purchasers, the Shares and Purchase Warrants  to
be  sold  to them hereunder and all rights thereto, and to  fully
implement the provisions of this Agreement.

     2.7  Transfer Taxes.
   All  transfer  taxes,  fees and duties  under  applicable  law
incurred in connection with the initial sale and transfer of  the
Shares  and Purchase Warrants under this Agreement, if any,  will
<PAGE>
be  borne  and paid by the Company and the Company shall promptly
reimburse the Purchasers for any such tax, fee or duty which  any
of them is required to pay under applicable law.


                           ARTICLE III

                       RELATED AGREEMENTS

     3.1  Related Agreements.
   As  a  condition of closing under this Agreement, the Company,
Purchasers and others designated therein shall have entered  into
a  Voting  Agreement in the form of Exhibit C and a  Registration
Rights  Agreement  in the form of Exhibit D.   Additionally,  the
Company  shall  have  entered  into  employment  agreements  with
Gilluly  and  Stout  in the forms of Exhibit  E  and  Exhibit  F,
respectively.


                           ARTICLE IV

                 REPRESENTATIONS AND WARRANTIES
                   OF THE COMPANY AND GILLULY

     The  Company and, where indicated by reference to  Gilluly's
knowledge, Gilluly, jointly and severally, represent and  warrant
to  Purchasers,  except as set forth in the  attached  Disclosure
Schedules, the following:

     4.1  Organization of Company.
   The  Company is a corporation duly organized, validly existing
and  in  good standing under the laws of the State of  New  York.
Copies  of the Company's Certificate of Incorporation and Bylaws,
as  currently in effect, are attached as Exhibit G.   The  minute
books of the Company contain accurate records of all meetings and
accurately reflect all material actions taken by the stockholders
and the Board of Directors of the Company.

     4.2  Authority Relative to This Agreement.
   The  Company has the corporate power and authority to  execute
and  deliver  this  Agreement and to consummate the  transactions
contemplated hereby.  The execution and delivery by  the  Company
of   this  Agreement,  and  the  consummation  by  each  of   the
transactions  contemplated hereby, have been duly  authorized  by
the   Company's  Board  of  Directors,  and  no  other  corporate
proceedings on the part of the Company are necessary with respect
thereto.  This Agreement has been duly executed and delivered  by
the  Company.   This  Agreement constitutes a valid  and  binding
obligation  of Gilluly and Company, enforceable against  each  in
accordance with its terms, except as its terms may be limited by:
(i)  bankruptcy, insolvency or similar laws affecting  creditors'
rights  generally; or (ii) general principles of equity,  whether
considered in a proceeding in equity or at law.

     4.3  Qualification of the Company.
  The Company has the corporate power and authority to own all of
its  properties  and assets and to carry on its business  as  now
<PAGE>
being  conducted.   The  Company is duly qualified  and  in  good
standing to do business in each jurisdiction in which the failure
to  so  qualify  might have a material adverse  effect  upon  the
business  or  properties of the CompanyCompany.  Other  than  the
Company's  Subsidiaries, there are no corporations,  partnerships
or  other  entities  in  which the Company  owns,  of  record  or
beneficially, any direct or indirect equity or other interest  or
any  right  to acquire the same.  The Company is not a member  of
(nor is any of its business conducted through) any joint venture,
partnership or limited liability company.

     4.4  Capitalization of the Company; Validity of Shares.

          (a) The authorized capital of the Company consists of
twenty million shares of  Common Stock with a par value of  two
cents ($0.02).   All  of the  issued  and  outstanding shares of
capital stock of the Company are  validly issued and outstanding,
fully paid and nonassessable and  free  of  preemptive rights.
Except  as  disclosed  in  the Schedule   4.4  there  are  no
options,  warrants,   convertible securities   or   other  rights,
agreements,   arrangements   or commitments of any character
relating to the capital stock of the Company or obligating the
Company to issue or sell any shares  of capital stock of, or other
interest in, the Company.

          (b)   There  are no outstanding contractual obligations
of  the  Company to repurchase, redeem or otherwise  acquire  any
shares  of Common Stock or options or warrants to purchase Common
Stock,  or  to provide funds to, or make any investment  (in  the
form  of a loan, capital contribution or otherwise) in, any other
Person.

          (c)   The  stock register of the Company maintained  by
American  Stock  Trust and Transfer Company, its Transfer  Agent,
accurately records (i) the name and address of each Person owning
Shares  of capital stock of the Company, and (ii) the certificate
number  of  each certificate evidencing Shares of  capital  stock
issued  by  the Company, the number of shares evidenced  by  each
such  certificate, the date of issuance thereof and, in the  case
of cancellation, the date of cancellation.

          (d)  The Company's total issued and outstanding capital
stock  is 2,808,560 shares of Common Stock (excepting only shares
issued  after February 10, 2000 upon the exercise of  options  or
warrants  or  conversion of convertible notes  existing  on  such
date)  and  the  Company's total issued and  outstanding  shares,
together  with  any other shares of capital stock  which  may  be
issuable, on a fully-diluted, as-converted basis (including,  but
not  limited  to, any outstanding options, securities convertible
into  Common  Stock  and/or warrants), are  4,587,952  shares  of
Common Stock and equivalents.

     4.5  Company Subsidiaries.
   Each  Subsidiary  of  the Company is listed  on  Schedule  4.5
hereto.   The  Company has conducted its business solely  through
the  Company  and  its Subsidiaries at all  times.   All  assets,
properties and rights relating to the Company's business are held
by  and all agreements, obligations and transactions relating  to
<PAGE>
the  Company's  business  have been entered  into,  incurred  and
conducted  by, Company and its Subsidiaries.  Each Subsidiary  of
Company is a corporation duly organized, validly existing and  in
good standing under the laws of its jurisdiction of incorporation
and has the corporate power to carry on its business as it is now
being  conducted  or  presently proposed to be  conducted.   Each
Subsidiary  of Company is duly qualified as a foreign corporation
to  do  business,  and is in good standing in  the  jurisdictions
listed on Schedule 4.5 hereto and except as set forth on Schedule
4.5  hereto,  is  not  required to be so qualified  and  in  good
standing  in  any other jurisdiction where the character  of  its
properties  owned  or  held under lease  or  the  nature  of  its
activities would make such qualification necessary, if failure to
so  qualify  might  have  an  adverse material  effect  upon  the
business  or  property of any Company Subsidiary.    All  of  the
outstanding  shares of capital stock of each of the  Subsidiaries
of Company are validly issued, fully paid and non-assessable and,
except as set forth on Schedule 4.5 hereto, and are owned by  the
Company  free  and  clear  of  any  Encumbrances  of  any  nature
whatsoever  (whether absolute, accrued, contingent or otherwise).
Except  as  set  forth  in Schedule 4.5  hereto,  there  are  not
outstanding rights to purchase or otherwise to receive  from  any
of  the  Subsidiaries  of  the Company any  of  the  outstanding,
authorized  but unissued or treasury shares of the capital  stock
or  any other security of any Subsidiary of the Company; there is
no   outstanding  security  of  any  kind  convertible  into   or
exchangeable  for  such capital stock of any  Subsidiary  of  the
Company.

     4.6  No Violation.
   The  execution  and delivery by the Company of this  Agreement
will not:  (i) violate or result in a breach of any provision  of
the  Certificate  of  Incorporation or  Bylaws  of  the  Company;
(ii) result in a breach, or default, or give rise to any right of
termination,  modification or acceleration or give  rise  to  any
Encumbrance  under  the  provisions of  any  agreement  or  other
instrument  or obligation to which Gilluly or the  Company  is  a
party or by which Gilluly, the Company, the Shares, or any of the
Company's capital stock assets, properties or businesses  may  be
bound; (iii) violate any law or Governmental Order applicable  to
Gilluly and Company, the Company or the Shares; or (iv) cause the
acceleration  of  vesting  or rights to exercise  stock  options,
warrants or to convert convertible securities of the Company.

     4.7  Consents and Approvals.
   Except  as  set  forth  in Schedule 4.7,  and  to  the  actual
knowledge  of  Gilluly,  there is no  requirement  applicable  to
Company  to  make  any  filing with, or  obtain  the  consent  or
approval of, any Person as a condition to the consummation of the
transactions contemplated by this Agreement.
<PAGE>

     4.8  Compliance with Laws.
   To  the  knowledge of the Company and the actual knowledge  of
Gilluly,   the   business  of  the  Company  and  the   Company's
Subsidiaries  have been operated in compliance  in  all  material
respects with all laws and regulations, federal, state or  local,
domestic  or  foreign,  applicable  to  its  business  including,
without  limitation,  those related to (i)  antitrust  and  trade
matters, (ii) civil rights, (iii) zoning and building codes, (iv)
public  health and safety, (v) worker health and safety and  (vi)
labor and employment and discrimination in employment.

     4.9  Licenses and Permits.
    The   term  "Licenses  and  Permits"  as  used  herein  means
governmental  licenses,  permits, approvals  and  authorizations,
whether federal, state and local, domestic or foreign, other than
Environmental   Permits.    The   Company   and   the   Company's
Subsidiaries  have  all of the Licenses and Permits  required  to
conduct  their respective businesses as they are presently  being
conducted  excepting only those Licenses and Permits the  failure
of  which  to obtain would not have a material adverse effect  on
the   business   or  properties  of  the  Company  or   Company's
Subsidiaries.   The  business of the Company  and  the  Company's
Subsidiaries  have been operated in compliance with  all  of  the
terms  and conditions set forth in such Licenses and Permits.  No
notice  of  a  violation of any such License or Permit  has  been
received   by   Gilluly  or  the  Company   and   the   Company's
Subsidiaries,  or to the knowledge of the Company or  the  actual
knowledge of Gilluly, recorded or published, and no proceeding is
pending  or,  to  the  knowledge of the  Company  of  the  actual
knowledge of Gilluly, threatened, to revoke any of them.  Gilluly
and  Company  know of no facts which exist with  respect  to  the
Company  and  the  Company's Subsidiaries which would  allow  the
revocation of any of the Licenses and Permits of the Company  and
the Company's Subsidiaries.

     4.10 Environmental Matters.

      (a)  The Company and the Company's Subsidiaries have in all
material   respects  operated  their  respective  businesses   in
compliance  with all laws and regulations relating  to  pollution
control  and  environmental contamination and the  provisions  of
their   respective  Environmental  Permits,   except   for   such
violations thereof as do not and cannot reasonably be expected to
have   an   adverse  effect  on  the  Company  or  the  Company's
Subsidiaries. "Environmental Permits" means governmental permits,
approvals and authorizations, which relate to the environment  or
to  public health and safety or worker health and safety, as they
may be affected by the environment.

          (b)   Neither  the  Company nor any  of  the  Company's
Subsidiaries is  obligated, by itself or jointly with others,  to
clean up, remedy or otherwise restore to its former condition any
building, contaminated surface water, ground water, soil  or  any
natural resource associated therewith.
<PAGE>
     4.11 Financial Statements.
   The  Company has previously furnished Purchaser with true  and
complete  copies  of its audited financial statements,  including
the notes thereto for the fiscal years ending June 30, 1997, 1998
and  1999  and  unaudited financial statements for  the  six  (6)
months   ending   December  31,  1999  (the  "Company   Financial
Statements") together with the reports on such statements of  the
Company's   independent  public  accountants.    Such   Financial
Statements  present fairly the financial position of the  Company
as  of such dates and the results of their operations and changes
in  financial position for such periods and have been prepared in
accordance with generally accepted accounting principles ("GAAP")
applied on a consistent basis.

     4.12 Absence of Change.
   Since  December  31,  1999, and to  the  actual  knowledge  of
Gilluly, there has not been:

(a)  ANY MATERIAL CHANGE, OR DEVELOPMENT INVOLVING A PROSPECTIVE
CHANGE  TO  THE COMPANY OR THE COMPANY'S SUBSIDIARIES, INCLUDING,
WITHOUT  LIMITATION, ANY DAMAGE, DESTRUCTION OR LOSS (WHETHER  OR
NOT COVERED BY INSURANCE);

(B)  ANY OBLIGATION OR LIABILITY, OTHER THAN CONTRACTS IN THE
ORDINARY COURSE OF BUSINESS, (WHETHER ABSOLUTE, ACCRUED,
CONTINGENT OR OTHERWISE) INVOLVING MORE THAN FIFTY THOUSAND
DOLLARS INCURRED BY THE COMPANY OR THE COMPANY'S SUBSIDIARIES;

(C)  ANY GENERAL UNIFORM INCREASE IN THE COMPENSATION OF THE
EMPLOYEES OR CONSULTANTS OF THE COMPANY OR THE COMPANY'S
SUBSIDIARIES INCLUDING, WITHOUT LIMITATION, THOSE REQUIRED BY LAW
OR COLLECTIVE BARGAINING AGREEMENTS OR UNDERTAKING OF AN
OBLIGATION TO DO SO IN THE FUTURE;

(D)  INCREASE IN THE COMPENSATION PAYABLE TO ANY OFFICER OR
DIRECTOR OF THE COMPANY OR THE COMPANY'S SUBSIDIARIES;

(E)  ANY AMENDMENT TO ANY EMPLOYMENT AGREEMENT TO WHICH ANY
EMPLOYEE OR CONSULTANT OF THE COMPANY OR THE COMPANY'S
SUBSIDIARIES IS A PARTY;

(F)  ANY LICENSE, SALE, TRANSFER, PLEDGE, MORTGAGE OR OTHER
DISPOSITION OF ASSETS OF THE COMPANY OR THE COMPANY'S
SUBSIDIARIES OTHER THAN IN THE ORDINARY COURSE OF BUSINESS
CONSISTENT WITH PAST PRACTICE;

(G)  ANY DETERIORATION OF RELATIONS BETWEEN THE COMPANY OR THE
COMPANY'S SUBSIDIARIES AND THEIR RESPECTIVE MATERIAL SUPPLIERS OR
CUSTOMERS;
<PAGE>
(H)  ANY DIRECT OR INDIRECT REDEMPTION, PURCHASE OR OTHER
ACQUISITION OF ANY SHARES OF THE CAPITAL STOCK, STOCK OPTIONS OR
OTHER EQUITY INTERESTS IN THE COMPANY OR IN THE COMPANY'S
SUBSIDIARIES OR UNDERTAKING OF AN OBLIGATION TO DO SO IN THE
FUTURE;

(I)  ANY DECLARATION, SETTING ASIDE OR PAYMENT OF ANY DIVIDEND
(WHETHER IN CASH, CAPITAL STOCK OR PROPERTY) WITH RESPECT TO ANY
SHARES OR OTHER EQUITY INTERESTS IN THE COMPANY;

(J)  ANY ISSUANCE BY THE COMPANY OR THE COMPANY'S SUBSIDIARIES OF
ANY SHARES OF ITS CAPITAL STOCK, OR ANY SECURITIES OR OBLIGATIONS
CONVERTIBLE INTO OR EXCHANGEABLE FOR, OR GIVING ANY PERSON THE
RIGHT TO ACQUIRE FROM THEM, ANY SHARES OF THEIR CAPITAL STOCK,
EXCEPT PURSUANT TO THE STOCK OPTION PLAN OR EMPLOYEE STOCK
PURCHASE PLAN;

(K)  ANY ACCOUNT RECEIVABLE OWING TO THE COMPANY OR THE COMPANY'S
SUBSIDIARIES WHICH SUBSEQUENT THERETO (I) HAS HAD ASSERTED
AGAINST IT ANY CLAIM, REFUSAL TO PAY OR RIGHT OF SET-OFF, (II) AN
ACCOUNT DEBTOR HAS REFUSED OR THREATENED TO REFUSE TO PAY FOR ANY
REASON OR SUCH ACCOUNT DEBTOR, TO THE KNOWLEDGE OF THE COMPANY,
HAS BECOME INSOLVENT OR BANKRUPT OR (III) HAS BEEN PLEDGED TO ANY
THIRD PARTY; OR

(L)  ANY AGREEMENT RELATING TO THE BORROWING OF MONEY OR TO THE
MORTGAGING OR PLEDGING OF, OR OTHERWISE PLACING AN ENCUMBRANCE
ON, ANY ASSET OF THE COMPANY EXCEPT FOR THE BANK LOAN AND GILLULY
LOAN WHICH ARE FULLY DESCRIBED IN SCHEDULE 4.12.

     Since  December  31,  1999  the Company  and  the  Company's
Subsidiaries have operated their businesses only in the  ordinary
and usual course and in a manner consistent with past practices.

     4.13 Undisclosed Liabilities.
   To  the  actual  knowledge of Gilluly,  the  Company  and  the
Company's  Subsidiaries  have  not incurred  any  liabilities  or
obligations  which  are  not reflected in the  Company  Financial
Statements, other than those incurred subsequent to such date  in
the   ordinary  course  of  business  and  consistent  with  past
practices  of  the  Company and which do not  and  would  not  be
reasonably expected to have a material adverse effect.   Reserves
are  reflected on the Company's balance sheet dated December  31,
1999 for all liabilities of the Company in amounts that have been
established on a basis consistent with the past practices of  the
Company and in accordance with GAAP.
<PAGE>
     4.14 Current Information.
   Company  has  previously  delivered to  Purchasers  non-public
information  relating to the business and affairs of the  Company
and  will  continue  to  furnish similar  information  until  the
Closing.   At  the  time  of  delivery  thereof  none   of   such
information contained, or will contain, any untrue statement of a
material fact or omitted, or will omit, to state a fact necessary
in  order to make such statements made therein, in light  of  the
circumstances in which they were made, not misleading.

     4.15 Tax Matters.
      The Company and the Company's Subsidiaries have filed, in a
timely manner, all federal, state, local and foreign tax returns,
reports  and  declarations required by applicable  law  and  have
collected,  withheld  or  deposited, or made  provision  for  the
payment  of  all  taxes (including, without  limitation,  income,
sales,  use,  occupation, property, excise and employment  taxes,
and interest and penalties thereon) in a timely manner which have
or  may  become due on account of such filings.  The federal  tax
returns for the Company have been filed with the Internal Revenue
Service  through the Company's fiscal year ending June 30,  1999.
The  Company and the Company's Subsidiaries have not received any
notice of audits or any assessment for unpaid taxes, do not  know
of  any reason why any such assessment might be made and have not
agreed  to any extension of time for the assessment of any taxes.
Adequate provisions have been made for the payment of all current
taxes.

     4.16 Labor and Employment Matters.
   Except as set forth on Schedule 4.16, neither the Company  nor
any of the Company's Subsidiaries is a party to any employment or
consulting  agreements.   There are no controversies,  claims  or
grievances  pending or, to the knowledge of the Company  and  the
actual  knowledge of Gilluly, threatened between Gilluly  or  the
Company  or  any Company Subsidiary and Company Employees,  or  a
labor  union representing any of its employees.  The Company  has
delivered  to  Purchaser a list of all of the  employees  of  the
Company and the Company's Subsidiaries ("Company Employees"), and
a  listing  of  the  salaries,  bonuses,  or  other  compensation
currently paid to each.

     4.17 Litigation.
    There  are  no  actions,  suits,  claims,  investigations  or
proceedings  pending or, to the knowledge of the Company  or  the
actual  knowledge of Gilluly, threatened against Gilluly  or  the
Company,  before any court, Governmental Authority or arbitrator,
domestic  or  foreign, that has or can reasonably be expected  to
have a material adverse effect on the Company or which seek:  (i)
to   prevent,   restrict  or  delay  the  consummation   of   the
transactions contemplated by this Agreement; or (ii) to limit, in
any  manner,  the right of Purchasers to control the business  of
the   Company   after  the  consummation  of   the   transactions
contemplated  by  this  Agreement.   Furthermore,  there  are  no
judgments,  orders  or  decrees of any such  court,  Governmental
Authority  or arbitrator, domestic or foreign, that  has  or  can
reasonably be expected to have any such effect.
<PAGE>
     4.18 Title to Properties.

          (a)  The Company does not have any fee simple interest
in real property.

          (b)   The Company has good title to all of the personal
property, tangible or intangible, owned by it, free and clear  of
Encumbrances except for the lien securing the Bank Loan described
in Schedule 4.12.

     4.19 Leases.
  The Company and the Company's Subsidiaries have complied in all
material  respects  with their respective obligations  under  all
agreements  into  which  the Company  or  any  of  the  Company's
Subsidiaries  have entered, whether as lessor  or  lessee,  which
relates  to either real or personal property, other than  monthly
leases of personal property, which may be canceled upon not  more
than  thirty (30) days notice and require the payment of not more
than  one thousand dollars ($1,000) per month ("Leases") and,  to
the knowledge of the Company and the actual knowledge of Gilluly,
no  event  has occurred or condition exists which constitutes  or
can  reasonably  be  expected  to  constitute  a  breach  of  the
provisions of any Lease by any party thereto.  Complete copies of
all  of  the  Leases  have been delivered or  made  available  to
Purchasers.

     4.20 Material Contracts.
   Schedule 4.20 sets forth a complete and correct list  of  each
contract, agreement or commitment of the Company or the Company's
Subsidiaries, other than Leases:
          (a)  upon which any substantial part of the business of
the  Company or of a Company's Subsidiary is dependent or  which,
if  breached,  could reasonably be expected to  have  a  material
adverse effect on the Company or the respective Subsidiary;

          (b)  which provides for aggregate future payments by or
to  the Company or any of the Company's Subsidiaries of more than
fifty  thousand dollars ($50,000), except for purchase orders  or
sales  orders  arising  in  the  ordinary  and  usual  course  of
business, in which case they are listed only if any party thereto
is  obligated to make future payments aggregating more  than  one
hundred thousand dollars ($100,000) in any year;

          (c)   which  extends for more than one  year  from  the
Closing Date and may not be cancelled by the Company with  thirty
(30) or less days notice;

          (d)   which  provides  for the  sale,  lease  or  other
transfer,  after the date hereof and other than in  the  ordinary
course of business, of any of the assets of the Company or any of
the  Company's Subsidiaries except those assets securing the Bank
Loan described in Section 6.5;

          (e)   which  relates to the employment,  retirement  or
termination of the services of any officer or former  officer  of
the  Company  or  any  of the Company's Subsidiaries,  except  as
disclosed on Schedule 4.16; or

          (f)   which  contains covenants pursuant to  which  any
Person  has agreed not to compete with any business conducted  by
the  Company or any of the Company's Subsidiaries or not disclose
to  others  information  concerning the Company  or  any  of  the
Company's Subsidiaries.
<PAGE>
     Each of the foregoing is referred to in this Agreement as  a
"Material Contract."  Each Material Contract is valid and binding
on  the  parties  thereto and is in full force and  effect.   The
Company  and  the  Company's Subsidiaries have  complied  in  all
material respects with their respective obligations under all  of
the  Material Contracts and, to the knowledge of the Company  and
the  actual  knowledge  of  Gilluly, no  event  has  occurred  or
condition exists which constitutes or can reasonably be  expected
to constitute a breach of any such contract by any party thereto.
Complete copies of all the Material Contracts have been delivered
or made available to Purchasers.

     4.21 Intellectual Property.
    The   term  "Intellectual  Property"  as  used  herein  means
registered  trade names, trademarks and service  marks,  patents,
patent  rights and copyrights, whether domestic or  foreign,  and
inventions,  trade secrets, proprietary processes  and  formulae,
software  and  other property rights generally considered  to  be
intellectual property other than general know-how.   The  Company
and   the  Company's  Subsidiaries  own,  or,  to  the  Company's
knowledge,  have  the  right  to use,  all  of  their  respective
Intellectual  Property.  Schedule 4.21 contains  a  complete  and
correct  list of all such Intellectual Property (other than  off-
the-shelf  third  party  software) and any royalties,  honoraria,
fees  or  other  payments payable by the Company or  any  of  the
Company's  Subsidiaries to any Person by reason of the ownership,
use,  license, sale or disposition of the Intellectual  Property.
There  is  no claim pending or, to the knowledge of the  Company,
threatened   against  the  Company  or  any  of   the   Company's
Subsidiaries  alleging that its use of any Intellectual  Property
infringes  upon  the rights of any Person and  to  the  Company's
knowledge, no Person is infringing upon the rights of the Company
or   any  of  the  Company's  Subsidiaries  in  their  respective
Intellectual  Property.  All letters, patent,  registrations  and
certificates issued by any Governmental Authority relating to the
Intellectual Property are, to the Company's knowledge, valid  and
subsisting and have been properly maintained.  Complete copies of
all  documents  pursuant to which the Company  or  the  Company's
Subsidiaries  have  acquired the right to  use  its  Intellectual
Property, or has licensed or otherwise permitted any other Person
to  use any of such Intellectual Property, have been delivered or
made available to Purchasers.

     4.22 Accounts Receivable.
    The   Company's  and  the  Company's  Subsidiaries'  accounts
receivable, including those acquired by the Company or any of the
Company's  Subsidiaries subsequent to the 31st day  of  December,
1999  but  prior  to  the  Closing (and not  collected  prior  to
Closing),  constitute valid and enforceable claims  arising  from
bona  fide  transactions in the ordinary course of  business  and
will  have  been collected or, to the knowledge of  the  Company,
will be collectible in amounts not less than the aggregate amount
thereof  (net  of reserves established in accordance  with  prior
practice)  carried  on the books of the Company.   Each  of  such
<PAGE>
accounts receivable, except for the lien securing the Bank  Loan,
are  not  the subject of a pledge or assignment, and are free  of
Encumbrances  and  has not been placed for  collection  with  any
attorney,  collection  agency  or  similar  individual  or  firm.
Adequate reserves for doubtful accounts have been established  on
the  books of the Company and are reflected on the balance  sheet
in  accordance with GAAP.  As of the date hereof,  there  are  no
claims,  refusals to pay or other rights of set-off  against  any
such  accounts receivable, except as specified in the  Disclosure
Schedules.

     4.23 Maintenance of Tangible Personal Property.
   Except  to the extent such maintenance or condition would  not
have  a material adverse effect on the business or properties  of
the  Company or the Company's Subsidiaries, the tangible personal
property   which  belongs  to  the  Company  or   the   Company's
Subsidiaries:   (i)  has  been  maintained  in  good  repair   in
accordance  with  the  usual practices in the  United  States  of
businesses  which  are  engaged  in  activities  similar  to  the
business  conducted  by the Company or the  respective  Company's
Subsidiary;  (ii) is in good condition, ordinary  wear  and  tear
excepted;  and  (iii)  is usable in the ordinary  course  of  the
business of the Company or the respective Company's Subsidiary as
it is presently being conducted.

     4.24 Insurance.
    Schedule  4.24  sets  forth  a  list  of  insurance  policies
maintained  by the Company and any of the Company's Subsidiaries.
There  is  no default in any respect under any provision  of  any
such  policy  nor  has  the Company or the  respective  Company's
Subsidiary  failed to give notice or present any claim thereunder
in a timely manner so as to bar recovery of any valid claim.

     4.25 Employee Benefit Plans.

          (a)   Schedule  4.25 lists all of the employee  benefit
plans  and  programs  (except the unfunded deferred  compensation
plans  which  are  listed in Schedule 4.20),  including,  without
limitation,  all  retirement, savings  and  other  pension  plans
("Pension  Plans"), all health, severance, insurance,  disability
and  other  employee  welfare plans  ("Welfare  Plans")  and  all
incentive,  vacation and other similar plans that are  maintained
by  the  Company  or a Company's Subsidiary on  behalf  of  their
respective Company Employees (collectively, the "Employee Benefit
Plans").

          (b)   As to each of the Pension Plans, the Company  and
the   Company's  Subsidiaries  have  complied,  in  all  material
respects,   with   all   applicable  laws  and   regulations   in
administering  such plans, including specifically the  provisions
of  ERISA and the qualification provisions of Section 401 of  the
Internal Revenue Code of 1986, as amended (the "Internal  Revenue
Code").   No  non-exempt prohibited transaction,  as  defined  in
Section  4975  of  the Internal Revenue Code, has  occurred  with
respect to any of the Pension Plans and none of the Pension Plans
has  incurred any accumulated funding deficiency, as  defined  in
Section  412 of the Internal Revenue Code, whether or not waived.
The  Company does not sponsor, and has never sponsored, a defined
benefit plan as defined in Section 3(35) of ERISA.
<PAGE>
          (c)  As to each of the Welfare Plans and other Employee
Benefit  Plans  that are not Pension Plans, the Company  and  the
Company's  Subsidiaries have complied, in all material  respects,
with  all  applicable laws and regulations in the  administration
thereof  including, without limitation, the provisions  of  ERISA
when applicable.

          (d)   The  Company and the Company's Subsidiaries  have
not  terminated any Pension Plan within ten years  preceding  the
date of this Agreement.

          (e)   No  compensation or benefit that is  or  will  be
payable  as  a  result of the transactions contemplated  by  this
Agreement will be characterized as an "excess parachute  payment"
within the meaning of Section 280G of the Internal Revenue Code.

     4.26 Insider Interests.
   Neither Gilluly nor any officer or director of the Company  or
any  of  the Company's Subsidiaries: (i) competes with or  has  a
direct non-passive interest in any business entity which competes
with  the  business  conducted by the Company  or  the  Company's
Subsidiaries; (ii) has any agreement of any type with the Company
or  the  Company's  Subsidiaries other  than  being  an  at  will
employee  of the Company or the Company's Subsidiaries; or  (iii)
has  any  interest, direct or indirect, in any property, real  or
personal,  tangible or intangible, including, without limitation,
Intellectual  Property,  used in or pertaining  to  the  business
conducted by the Company or the Company's Subsidiaries, except as
a  stockholder  or  employee of the Company or  as  disclosed  on
Schedule 4.26.

     4.27 Certain Practices.
   To  the  knowledge of the Company and the actual knowledge  of
Gilluly, no stockholder, director, officer, employee or agent  of
the  Company  or  the Company's Subsidiaries  have,  directly  or
indirectly,  made  or  agreed to make, any  unlawful  or  illegal
payment,  gift or political contribution to, or taken  any  other
unlawful  or  illegal action, for the benefit  of  any  customer,
supplier, governmental employee or other Person who is or may  be
in  a position to assist or hinder the business of the Company or
the Company's Subsidiaries.

     4.28 Work in Progress.
   Schedule  4.28  contains a complete list of all  contracts  on
which  the  Company and the Company's Subsidiaries are  currently
working  or which have not been completed, the customer for  whom
the work is being performed, and the amount and basis for payment
and  the  status  of  the contract and the work  being  performed
thereunder.  There is currently no work being performed for which
there  is either (i) no written agreement signed by the customer,
or  (ii)  no funding available and committed by the customer,  in
the case of contracts with a Governmental Authority.
<PAGE>
     4.29 Investment Banking; Brokerage.
   There  are  no  claims for investment banking fees,  brokerage
commissions, finder's fees or similar compensation (exclusive  of
professional fees to lawyers and accountants) in connection  with
the  transactions contemplated by this Agreement payable  by  the
Company  the  Company's  Subsidiaries or  Gilluly  based  on  any
arrangement or agreement made by or on behalf of the Company  the
Company's Subsidiaries or Gilluly.

     4.30 Customers.
   Schedule  4.30  attached hereto sets forth the  name  of  each
customer of the Company or any of the Company's Subsidiaries  who
accounted for more than ten percent (10%) of the revenues of  the
Company  for the twelve (12) months ended June 30, 1999  and  the
six  (6)  months ended December 31, 1999 (the "Customers").   The
relationships of the Company and the Company's Subsidiaries  with
their   respective   Customers  are   good   commercial   working
relationships.   No  Customer of the  Company  or  the  Company's
Subsidiaries   has   canceled   or   otherwise   terminated   its
relationship  with the Company or the Company's Subsidiaries,  or
has  during the last twelve (12) months decreased materially  its
usage or purchases of the services or products of the Company  or
the  Company's Subsidiaries.  Schedule 4.30 attached hereto  sets
forth  a  list  of  each former customer of the Company  who  has
terminated  its  relationship with the Company since  January  1,
2000 and who represented greater than $100,000 of business to the
Company or the Company's Subsidiaries in the twelve (12) calendar
months preceding such termination.  No Customer, has, to the best
knowledge of the Company or the Company's Subsidiaries, any  plan
or  intention to terminate, to cancel or otherwise materially and
adversely  modify  its  relationship  with  the  Company  or  the
Company's  Subsidiaries or to decrease materially  or  limit  its
usage,  purchase or distribution of the services or  products  of
the Company or the Company's Subsidiaries.


     4.31 Warranty and Related Matters.
  Schedule 4.31 attached hereto sets forth a complete list of all
outstanding product and service warranties and guarantees on  any
of  the  products or services that the Company or  the  Company's
Subsidiaries distributes, services, markets or sells for  itself,
a  customer or a third party (each such product or service  shall
be  referred  to herein as a "Company Product").   There  are  no
existing or, to the best knowledge of the Company, threatened  in
writing,  product  liability, warranty or  other  similar  claims
against the Company or any of the Company's Subsidiaries alleging
that  any  Company  Product is defective or  fails  to  meet  any
product  or  service warranties except as set forth  in  Schedule
4.31.
<PAGE>
     4.32 Relations.
   Other than the Bank Loan, which is described in Schedule 4.12,
all of the arrangements with any banking institution relating  to
the  Company's  depository accounts are  accurately  and  in  all
material  respects  described in Schedule 4.32,  indicating  with
respect  to  each  of such arrangements the type  of  arrangement
maintained  (such  as  checking account, borrowing  arrangements,
safe  deposit box, etc.) and the person or persons authorized  in
respect thereof.

     4.33 Restrictions on Business Activities.
   To  the  actual knowledge of Gilluly, there is  no  agreement,
judgment, injunction, order or decree binding upon the Company or
any  of the Company's Subsidiaries or Gilluly which has or  could
reasonable  be  expected  to have the effect  of  prohibiting  or
materially impairing the business practices of the Company or any
of the Company's Subsidiaries, the acquisition of property by the
Company  or any of the Company's Subsidiaries, or the conduct  of
business  by the Company or any of the Company's Subsidiaries  in
each  case  as currently conducted by the Company or any  of  the
Company's Subsidiaries.

     4.34 Security Clearances; Defective Pricing.

    (a)  The Company, the Company's Subsidiaries  and all of their
respective  officers, directors and employees are  in  compliance
with the security requirements set forth in Material Contracts to
which the Company or the Company's Subsidiaries are a party or by
which the Company or any of the Company's Subsidiaries or any  of
their  respective  properties or assets may  be  bound.   To  the
knowledge  of the Company, all security clearances  are  in  full
force  and  effect  and there are no facts which  exist  or  have
existed which might constitute grounds for the loss or limitation
of work under any Material Contracts.

      (b)  To the knowledge of the Company, the Company and its
Subsidiaries  are  in  material compliance  with  all  applicable
pricing,  profit  limitation, negotiation  of  profit  and  other
regulations   applicable   to   Material   Contracts   with   any
governmental entity (foreign or domestic) and there are no  facts
which  exist  or have existed which would constitute grounds  for
any  valid  claim under any such regulations, including,  without
limitation, claims for defective pricing or price renegotiation.

     4.35 Reports and Financial Statements.
   Company has timely filed all reports required to be filed with
the Commission pursuant to the Exchange Act or the Securities Act
(collectively,  the  "SEC  Reports"),  and  has  previously  made
available to Purchasers true and complete copies of all such  SEC
Reports  as have been requested by Purchasers.  Such SEC Reports,
as  of  their respective dates, complied in all material respects
with  the applicable requirements of the Securities Act  and  the
<PAGE>
Exchange  Act,  as  the case may be, and none  of  the  such  SEC
Reports  contained  any untrue statement of a  material  fact  or
omitted to state a material fact required to be stated therein or
necessary  to  make  the  statements therein,  in  light  of  the
circumstances under which they were made, not misleading.

     4.36 Full Disclosure.
   None  of the representations and warranties of the Company  or
Gilluly  made  in this Article contains any untrue  statement  of
material fact or omits to state a material fact necessary to make
the statements therein, in light of the circumstances under which
they were made, not misleading.


                            ARTICLE V

          REPRESENTATIONS AND WARRANTIES OF PURCHASERS

     Each Purchaser represents and warrants to Gilluly and to the
Company the following:

     5.1  Authority.
   Each  Purchaser  is legally competent to and has  full  right,
authority  and  power  to  enter into  this  Agreement  and  each
agreement,  document and instrument to be executed and  delivered
by  or on behalf of such Purchaser pursuant to or as contemplated
by  this Agreement and to carry out the transactions contemplated
hereby  and thereby.  This Agreement and each agreement, document
and  instrument executed and delivered by each Purchaser pursuant
to  or  as  contemplated by this Agreement  constitute,  or  when
executed  and  delivered  will  constitute,  valid  and   binding
obligations  of each of the Purchaser enforceable  in  accordance
with  their  respective terms except as its terms may be  limited
by:  (i)  bankruptcy,  insolvency or similar  laws  affecting  to
creditors'  rights  generally;  or  (ii)  general  principles  of
equity, whether considered in a proceeding in equity or at law.

     5.2  Investment Status.
   Each  Purchaser is an "accredited Purchaser" as such  term  is
defined  in Rule 501 under the Securities Act of 1933, as amended
(the  "Securities Act").  Each Purchaser is purchasing the  Units
for  his own account, for investment only and not with a view to,
or  any  present intention of, effecting a distribution  of  such
securities  or any part thereof except pursuant to a registration
or  an  available exemption under applicable law.  Each Purchaser
acknowledges  that his respective Shares, Purchase  Warrants  and
the  shares  of  Common  Stock which such Purchaser  may  acquire
through   exercise  of  the  Purchase  Warrants  have  not   been
registered under the Securities Act or the securities laws of any
state or other jurisdiction and cannot be disposed of unless they
are  subsequently  registered under the Securities  Act  and  any
applicable  state  laws or exemption from  such  registration  is
available.
<PAGE>
     5.3  Investment Banking; Brokerage Fees.
   No Purchaser has incurred or become liable for any broker's or
finder's fee, banking fees or similar compensation relating to or
in connection with the transactions contemplated hereby.


                           ARTICLE VI

                      ADDITIONAL COVENANTS

     6.1  Expenses.
  The Company and the Investors shall each be responsible for and
shall  bear  one  half of the cost of all expenses  directly  and
necessarily  incurred  by the Company  or  by  the  Investors  in
connection  with  the  proposed Investment,  including,  but  not
limited  to,  all  legal fees and out-of-pocket expenses  of  the
Investor's  counsel  and  the Investor's out-of-pocket  expenses.
The  fees  and expenses of Investor's counsel and the  Investor's
out-of-pocket expenses (together, the "Costs and Expenses") shall
be  limited  to  a  maximum of $35,000, half of  which  shall  be
payable by the Company and half of which shall be payable by  the
Investors at the Closing.  The fees and expenses of the Company's
counsel  and the Company's out-of-pocket expenses (together,  the
"Costs  and Expenses") shall be limited to a maximum of  $25,000,
half  of which shall be payable by the Company and half of  which
shall be payable by the Investors at the Closing.  Each Purchaser
shall  pay  that  portion of Investors' responsibility  hereunder
equal to the proportion such Purchaser's investment bears to  the
total investment of all Purchasers.


     6.2  Public Announcements.
   The  parties to this Agreement will consult with  one  another
before  issuing any press releases or otherwise making any public
statements  with  respect to this Agreement and the  transactions
contemplated hereby and will not issue any such press release  or
make  any such public statement without the consent of the  other
unless such action is specifically required by law.

     6.3  Further Assurances.
   Gilluly, Company and Purchasers, as the case may be, will  use
reasonable efforts to implement the provisions of this  Agreement
and  for  such purpose, at the request and expense of Purchasers,
Gilluly  and Company, as the case may be, will, at or  after  the
Closing,  without  further consideration,  promptly  execute  and
deliver,  or cause to be executed and delivered, such  additional
documents as may be necessary to implement any provision of  this
Agreement and the Related Agreements.

     6.4  Board of Directors
     At  Closing  two  (2)  members of the  Company's  Board  of
Directors shall resign and Stout shall be appointed to serve  the
unexpired   term  of  one  of  the  directors.   Promptly,   upon
compliance with the requirements of Section 14(f) of the Exchange
Act  and  Rule 14(f)-1 promulgated thereunder, two (2) additional
designees of the Investors shall be appointed to serve the vacant
unexpired  terms  of office of former members  of  the  Company's
Board of Directors.
<PAGE>
     6.5  United Bank.
        Stout shall guarantee fifty percent 50% of the Bank  Loan
to the Company in the maximum principal amount of $1,500,000 from
United Bank.

     6.6  Gilluly's Loan Repayment.
   Subject to approval from the Bank, Purchasers shall cause  the
Company  to  repay,  at  Closing, two  hundred  thousand  dollars
($200,000)  of  Gilluly's  Loan  and  the  remaining  balance  of
Gilluly's Loan within six months thereafter.


                           ARTICLE VII

             CONDITIONS TO OBLIGATIONS OF PURCHASERS

     The  obligation of Purchasers to consummate the transactions
contemplated  by this Agreement shall be subject, to  the  extent
not waived, to each of the following conditions.

     7.1  Representations and Warranties.
   Except  for changes expressly contemplated by this  Agreement,
each  of  the  representations and warranties of Company  and  of
Gilluly  contained  in this Agreement, which representations  and
warranties include the information in the schedules corresponding
thereto, shall be true and correct in all material respects as of
the  date of Closing and Gilluly and Company shall have delivered
to Purchasers a certificate to that effect signed by Gilluly as a
stockholder  of  the  Company and a certificate  to  that  effect
signed by an officer of the Company.

     7.2  Performance of this Agreement.
   Gilluly  shall have, and the Company shall have, performed  in
all  material  respects all of its obligations  to  be  performed
before  or  at  Closing  under  this  Agreement  and  shall  have
delivered  to Purchasers a certificate to that effect  signed  by
Gilluly and the Chairman or President of the Company.

     7.3  Corporate Authorization.
   All  corporate action required to be taken by the  Company  in
connection  with the transactions contemplated hereby shall  have
been  taken,  all documents incident thereto shall be  reasonably
satisfactory  in substance and form to Purchaser and  shall  have
received  such originals or copies of such documents  as  it  may
reasonably request.

     7.4  Executive Agreements.
   The  Company,  Gilluly  and  Stout  shall  have  executed  and
delivered  Employment Agreements in the forms attached hereto  as
Exhibit E and Exhibit F, respectively.
<PAGE>
     7.5  Approvals and Consents.
   The  Company and Gilluly shall have made all filings with  and
notifications  of  governmental authorities, regulatory  agencies
and other entities required to be made by them in connection with
the  execution and delivery of this Agreement and the performance
by   them  of  the  transactions  contemplation  hereby  and  the
Purchasers   shall   have  received  copies   of   all   required
authorizations,  waivers,  consents and  permits  to  permit  the
consummation of the transactions contemplated by this  Agreement,
in form and substance satisfactory to the Purchasers.

     7.6  United Bank Approval.
   The  agreement  by the Bank to waive any current  defaults  or
failure  on the part of the Company to comply with any  terms  of
the Bank Loan and to forebear action with regard to the Bank Loan
in form and substance satisfactory to the Purchasers.

     7.7  Injunction, Litigation, etc.
      No  order of any court or governmental agency shall  be  in
effect  which  restrains  or prohibits the  consummation  of  the
transactions contemplated by this Agreement or which would  limit
or  affect the ability of Purchasers to own and control a portion
of  the  Company,  and there shall not have been threatened,  nor
shall there be pending, any action or proceeding by or before any
such court or governmental agency seeking to prohibit or delay or
challenging the validity of the transactions contemplated by this
Agreement.

     7.8  Legislation.
   No  statute,  rule or regulation shall have been  proposed  or
enacted which prohibits or might prohibit, restrict or delay  the
consummation of the transactions contemplated by this Agreement.

     7.9  Estoppel Certificates, etc.
   Gilluly  and  Company  shall have obtained  and  delivered  to
Purchasers  executed estoppel certificates satisfactory  in  form
and  substance  to  Purchaser, and such  other  information  with
respect to the Leases as Purchasers may reasonably request.

     7.10 Resignation.
      Two  (2) of the existing four (4) directors of the  Company
shall have submitted their resignations from such positions  with
the Company as of the Closing Date.

     7.11 Opinion of Counsel for Company and Gilluly.
   Purchasers shall have received an opinion from McGuire, Woods,
Battle  &  Boothe,  counsel  for  the  Company  and  Gilluly,  in
substantially the form attached hereto as Schedule 7.11.

     7.12 Fairness Opinion.
   The  Company  shall have obtained a fairness  opinion  from  a
reputable  firm experienced in Company valuations  that  confirms
the  fairness  of  the transactions contemplated  herein  to  the
Company and its shareholders.
<PAGE>
     7.13 Election of Directors.
   The Company shall have taken all necessary corporate action to
effect  the  appointment of Stout as a director of  the  Company,
conditioned  upon  and  effective as of  the  completion  of  the
Closing  and  the appointment of two (2) additional directors  of
the  Company  designated by the Investors to  take  office  after
compliance with Section 14(f) of the Exchange Act.

     7.14 Delivery of Closing Documents.
   At  the  Closing  Date,  the Company and  Gilluly  shall  have
delivered,  or  shall  have  caused  to  be  delivered,  to   the
Purchasers,  all  in  form  and  substance  satisfactory  to  the
Purchasers, the following:

          (a)   Executed copies of the Voting Agreement  and  the
Registration  Rights Agreement in the forms  attached  hereto  as
Exhibit C and Exhibit D, respectively;

          (b)   Certificates issued by (i) the Secretary of State
(or  similar  authority)  of the States of  organization  of  the
Company  and  its Subsidiaries (other than inactive Subsidiaries)
certifying  that  the  Company and its  Subsidiaries  have  legal
existence  and  are in good standing; and (ii) the  Secretary  of
State  (or  similar authority) of each jurisdiction in which  the
Company  or its Subsidiaries have qualified to do business  as  a
foreign corporation as to such foreign qualification;

          (c)  Executed copies of an agreement extending the term
of  the   Investment  Banking Agreement  dated  January  7,  1999
between  the  Company  and Boles Knop & Company,  L.L.C.  ("Boles
Knop")  to  January 7, 2001 upon the same terms  and  conditions;
provided,  however, that no fee shall be charged  by  Boles  Knop
under  the  existing or any extended Investment Banking Agreement
with respect to the transactions contemplated herein;

           (d)   A  certificate of the Secretary of  the  Company
which  shall  certify the names of the officers  of  the  Company
authorized  to  sign  this  Agreement and  the  other  documents,
instruments  or  certificates to be delivered  pursuant  to  this
Agreement  by  the Company or any of its officers, together  with
the true signatures of such officers;

           (e)  Stock certificates issued, or instructions to the
Company's  Transfer  Agent to issue stock  certificates,  in  the
names  of  the Purchasers for the shares set forth opposite  each
Purchaser's name in Exhibit B;

           (f)   Purchase  Warrants issued in the  names  of  the
Purchasers as set forth opposite each Purchasers name in  Exhibit
B; and

          (g)   Such  other supporting documents and certificates
as  the  Purchasers may reasonably request and as may be required
pursuant to this Agreement.
<PAGE>
     7.15 Indemnification and Contribution Agreements.
    Stout   and  Knop  shall  have  executed  and  delivered   an
Indemnification  and Contribution Agreement relating  to  Stout's
guaranty  of the bank loan in form and substance satisfactory  to
each.


                          ARTICLE VIII

                  CONDITIONS TO OBLIGATIONS OF
                       GILLULY AND COMPANY

     The  obligation  of  Gilluly and Company to  consummate  the
transactions contemplated by this Agreement shall be subject,  to
the  extent  not  waived,  to the satisfaction  of  each  of  the
following conditions.

     8.1  Representations and Warranties.
     Except for changes expressly contemplated by this Agreement,
each   of   the  representations  and  warranties  of  Purchasers
contained  in  this Agreement shall be true and  correct  in  all
material respects as of the date of Closing, and Purchaser  shall
have delivered to Company a certificate to that effect.

     8.2  Performance of this Agreement.
   Purchasers shall have performed in all material respects,  all
of  its obligations under this Agreement and shall have delivered
to Company a certificate to that effect.

     8.3  Injunction, Litigation, etc.
  No order of any court or governmental agency shall be in effect
which restrains or prohibits the consummation of the transactions
contemplated  by  this Agreement and there shall  not  have  been
threatened, nor shall there be pending, any action or  proceeding
by  or  before any such court or governmental agency  seeking  to
prohibit  or  delay or challenging the validity  of  any  of  the
transactions contemplated by this Agreement.

     8.4  Legislation.
   No  statute,  rule or regulation shall have been  proposed  or
enacted which prohibits or might prohibit, restrict or delay  the
consummation of the transactions contemplated hereby.

     8.5
Delivery of Closing Documents.

          (a)   On  the  Closing Date, the Purchasers shall  have
executed  and  delivered  the Voting Agreement  and  Registration
Rights  Agreement, substantially in the forms attached as Exhibit
C and Exhibit D, respectively; and

          (b)  Confirmation of bank wire transfer of the Purchase
Price to the Company's designated account.
<PAGE>

                           ARTICLE IX

                             CLOSING

     9.1  Time and Place of Closing.
   The  Closing  shall  take place at the offices  of  Holland  &
Knight,  LLP, 3110 Fairview Park Drive, Suite 900, Falls  Church,
Virginia 22042, at 1:00 p.m. local time on Thursday the 30th  day
of March 2000 ("Closing Date").

     9.2  Deliveries by Company and Gilluly.
   At Closing, Company and Gilluly shall deliver to Purchaser the
following:

          (a)  Each of the Closing Documents listed in Section 7.14;

          (b)  The Executive Agreements required by Section 7.4;

          (c)  Copies of the certificates, consents and agreements required
by Sections 7.5, 7.6, 7.9 and 7.10;

          (d)  The Opinion of Counsel required by Section 7.11; and

          (e)  The Fairness Opinion required by Section 7.12; and

          (f)  Such additional documents as Purchaser may reasonably
request.

     9.3  Deliveries by Purchasers.
  At the Closing, Purchasers shall deliver to Gilluly and Company
the following:

          (a)  Each of the Closing Documents listed in Section 8.5; and

          (b)  Such additional documents as Gilluly and Company may
reasonably request.
<PAGE>

                            ARTICLE X

                         INDEMNIFICATION

     10.1 Indemnification by Company.
   Subject to the limitations contained in this Article,  Company
will indemnify and hold Purchaser harmless from any damage, loss,
liability  or  expense including, without limitation,  reasonable
expenses of investigation and reasonable attorneys' fees  arising
out of:

          (a)   Any breach of a representation and warranty  made
by Gilluly and Company in this Agreement;

          (b)  The breach of any agreement of Gilluly and Company
contained in this Agreement; or

          (c)   Any  undisclosed liability or obligation  of  the
Company,  whether  civil or criminal in  nature  arising  out  of
actions that occurred prior to the Closing Date.

     10.2 Indemnification by Purchaser.
   Subject  to  the limitations contained in this  Article,  each
Purchaser  will  indemnify  and hold Company  harmless  from  any
damage,  loss, liability or expense including without limitation,
reasonable  expenses  of investigation and reasonable  attorneys'
fees arising out of:

          (a)   Any breach of a representation and warranty  made
by such Purchaser in this Agreement; or

          (b)   The  breach  of any agreement of  such  Purchaser
contained in this Agreement.

     10.3 Company's Obligations for Third Party Claims.
      The obligation of Company to indemnify Purchaser under  the
provisions of this Article with respect to claims resulting  from
the  assertion  of  liability  by Persons  not  parties  to  this
Agreement (including governmental claims for penalties, fines and
assessments)  shall  be  subject  to  the  following  terms   and
conditions:

          (a)   Purchaser  shall give prompt  written  notice  to
Company  of  any  assertion of liability by a third  party  which
might  give  rise  to a claim for indemnification  based  on  the
foregoing  provisions of this Article, which notice  shall  state
the nature and basis of the assertion and the amount thereof,  to
the extent known, provided, however, that no delay on the part of
Purchaser  in  giving  notice  shall  relieve  Company   of   any
obligation  to  indemnify unless (and then solely to  the  extent
that) Company are prejudiced by such delay.
<PAGE>
          (b)   If  any  action,  suit or  proceeding  (a  "Legal
Action")  is  brought  against Purchaser with  respect  to  which
Company may have liability under the foregoing provisions of this
Article,  the Legal Action shall be defended by Company and  such
defense shall include all proceedings for appeal or review  which
counsel for Purchaser shall deem appropriate.

          (c)   Notwithstanding the provisions  of  the  previous
subsection  of this Agreement, until Company shall  have  assumed
the  defense  of  any  such Legal Action, the  defense  shall  be
handled  by  Purchaser.  Furthermore, (A)  if  Company  fails  to
provide  Purchaser  with evidence acceptable  to  Purchaser  that
Company  has sufficient financial resources to defend and fulfill
its  indemnification obligation with respect to the Legal Action;
or  (B) if the Legal Action involves other than money damages and
seeks injunctive or other equitable relief; Company shall not  be
entitled  to  assume  the defense of the  Legal  Action  and  the
defense  shall  be handled by Purchaser.  If the defense  of  the
Legal Action is handled by Purchaser under the provisions of this
subsection,  Company  shall  pay all  legal  and  other  expenses
reasonably incurred by Purchaser in conducting such defense.

          (d)  In any Legal Action initiated by a third party and
defended  by  the  indemnifying party (A) the  indemnified  party
shall  have  the right to be represented by advisory counsel  and
accountants, at its own expense, (B) the indemnifying party shall
keep  the  indemnified party fully informed as to the  status  of
such  Legal  Action  at all stages thereof, whether  or  not  the
indemnified  party  is represented by its own  counsel,  (C)  the
indemnifying party shall make available to the indemnified party,
and  its  attorneys,  accountants and other representatives,  all
books  and  records of the indemnifying party  relating  to  such
Legal Action and (D) the parties shall render to each other  such
assistance  as may be reasonably required in order to ensure  the
proper and adequate defense of such Legal Action.

          (e)  In any Legal Action initiated by a third party and
defended by the indemnifying party, the indemnifying party  shall
not  make any settlement of any claim without the written consent
of the indemnified party, which consent shall not be unreasonably
withheld.   Without limiting the generality of the foregoing,  it
shall  not  be  deemed  unreasonable to  withhold  consent  to  a
settlement involving injunctive or other equitable relief against
the  indemnified party or its assets, employees or  business,  or
relief  which  the  indemnified party reasonably  believes  could
establish a custom or precedent which will be materially  adverse
to the best interests of its continuing business.

     10.4 Purchaser's Obligations for Third Party Claims.
       The obligation of Purchaser to indemnify Company under the
provisions of this Article with respect to claims resulting  from
the  assertion  of  liability  by Persons  not  parties  to  this
Agreement (including governmental claims for penalties, fines and
assessments)  shall  be  subject  to  the  following  terms   and
conditions:
<PAGE>
          (a)   Company  shall  give  prompt  written  notice  to
Purchaser  of any assertion of liability by a third  party  which
might  give  rise  to a claim for indemnification  based  on  the
foregoing  provisions of this Article, which notice  shall  state
the nature and basis of the assertion and the amount thereof,  to
the extent known, provided, however, that no delay on the part of
Company  in  giving  notice  shall  relieve  Purchaser   of   any
obligation  to  indemnify unless (and then solely to  the  extent
that) Purchaser is prejudiced by such delay.

          (b)   If  any  Legal Action is brought against  Company
with  respect  to  which Purchaser may have liability  under  the
foregoing provisions of this Article, the Legal Action  shall  be
defended  by  Purchaser  and  such  defense  shall  include   all
proceedings for appeal or review which counsel for Company  shall
deem appropriate.

          (c)   Notwithstanding the provisions  of  the  previous
subsection of this Agreement, until Purchaser shall have  assumed
the  defense  of  any  such Legal Action, the  defense  shall  be
handled  by  Company.   Furthermore, (A) if  Purchaser  fails  to
provide   Company  with  evidence  acceptable  to  Company   that
Purchaser  has  sufficient  financial  resources  to  defend  and
fulfill its indemnification obligation with respect to the  Legal
Action;  or  (B)  if the Legal Action involves other  than  money
damages and seeks injunctive or other equitable relief; Purchaser
shall  not be entitled to assume the defense of the Legal  Action
and  the defense shall be handled by Company.  If the defense  of
the  Legal  Action is handled by Company under the provisions  of
this subsection, Purchaser shall pay all legal and other expenses
reasonably incurred by Company in conducting such defense.

          (d)  In any Legal Action initiated by a third party and
defended  by  the  indemnifying party (A) the  indemnified  party
shall  have  the right to be represented by advisory counsel  and
accountants, at its own expense, (B) the indemnifying party shall
keep  the  indemnified party fully informed as to the  status  of
such  Legal  Action  at all stages thereof, whether  or  not  the
indemnified  party  is represented by its own  counsel,  (C)  the
indemnifying party shall make available to the indemnified party,
and  its  attorneys,  accountants and other representatives,  all
books  and  records of the indemnifying party  relating  to  such
Legal Action and (D) the parties shall render to each other  such
assistance  as may be reasonably required in order to ensure  the
proper and adequate defense of such Legal Action.

          (e)  In any Legal Action initiated by a third party and
defended by the indemnifying party, the indemnifying party  shall
not  make any settlement of any claim without the written consent
of the indemnified party, which consent shall not be unreasonably
withheld.   Without limiting the generality of the foregoing,  it
shall  not  be  deemed  unreasonable to  withhold  consent  to  a
settlement involving injunctive or other equitable relief against
the  indemnified party or its assets, employees or  business,  or
relief  which  the  indemnified party reasonably  believes  could
establish a custom or precedent which will be materially  adverse
to the best interests of its continuing business.
<PAGE>
     10.5 Limitations on Indemnification.

          (a)   Neither the Company nor the Purchaser shall  have
any  obligation to indemnify the other under this Article  unless
and  until  the  aggregate amount of its liability exceeds  fifty
thousand dollars ($50,000), and thereafter the indemnified  party
shall  be  entitled to indemnification thereunder  only  for  the
aggregate  amount of such liability in excess of  fifty  thousand
dollars ($50,000).

          (b)  All damages to which the indemnified party may  be
entitled pursuant to the provisions of this Article shall be  net
of any insurance coverage in which the indemnified party receives
the benefits with respect thereto.

          (c)  The indemnification obligations of the Company  or
Purchaser under Article X shall terminate two (2) years from  the
Closing   Date,   except  with  respect   to   any   claims   for
indemnification  as  to which the indemnified  party  shall  have
given  the  indemnifying party written notice setting  forth  its
claim  with  reasonable  specificity  (in  contradistinction   to
generalized allegations) as to the nature thereof on or prior  to
two (2) years from the Closing Date.

          (d)    Notwithstanding  any  other  provision  of   the
Agreement, the Company's liability under this Article X shall not
exceed one million dollars ($1,000,000) in the aggregate.

          (e)    Notwithstanding  any  other  provision  of   the
Agreement, Purchaser's liability under this Article X  shall  not
exceed one million dollars ($1,000,000) in the aggregate.

     10.6 Survival; Investigation.
   The  representations  and warranties of  Gilluly  and  Company
contained  in  this Agreement shall survive any investigation  by
Purchaser  and  shall  not  terminate  until  the  second   (2nd)
anniversary  of the Closing (the "Survival Date") at  which  time
they   shall  lapse.   Notwithstanding  the  provisions  of   the
preceding sentence, any representation or warranty in respect  of
which indemnification may be sought under Sections 10.1 and  10.2
shall survive the Survival Date if written notice, given in  good
faith,  of  the specific breach thereof is given to  Gilluly  and
Company prior to the Survival Date, whether or not liability  has
actually been incurred.

     10.7 Waiver of Suretyship Defenses; Legal Fees.
       Company and Gilluly expressly waive any right arising from
Section  49-25 or 49-26 of the Code of Virginia, to require  that
the Purchasers bring action against Gilluly or the Company or the
benefit of any other suretyship statutes and principles at law or
in equity requiring, inter alia, any notice to Gilluly or Company
of or prior to the commencement of any proceeding against Gilluly
or  the  Company  for  any cause of action which  Purchasers  may
assert  arising out of or in connection with this  Agreement  and
the  related  transactional agreements set forth in the  Exhibits
hereto  (the  "Transaction  Documents")  or  the  exhaustion   of
collection  remedies  against  Gilluly  or  the  Company   before
proceeding against and collecting from the other.
<PAGE>
                           ARTICLE XI

                       GENERAL PROVISIONS

     11.1 Notices.
   All notices and other communications given hereunder shall  be
in  writing.   Notices  shall  be effective  when  delivered,  if
delivered  personally.  Otherwise, they shall be  effective  when
sent to the parties at the addresses or numbers listed below,  as
follows:  (i) on the business day delivered (or the next business
day  following  delivery if not delivered on a business  day)  if
sent  by  a  local  or long distance courier,  prepaid  telegram,
telefax  or  other  facsimile means; or  (ii)  three  days  after
mailing  if mailed by registered or certified U.S. mail,  postage
prepaid and return receipt requested.

     If to Gilluly to:

          C.W. Gilluly
          415 First Street, S.E.
          Washington, D.C. 20003-1827
          Telefax:  (202) 544-8384

     With a copy to:

          MCGUIRE, WOODS, BATTLE, & BOOTHE, LLP
          1750 Tysons Blvd., Suite 1800
          McLean, Virginia 22102
          Attention: Jocelyn West Brittin Esquire
          Telefax No.:  (703) 712-5050

     If to Company to:

          Hadron, Inc.
          5904 Richmond Highway, Suite 300
          Alexandria, Virginia 22303
          Attn:  President
          Telefax:  (703) 329-9409
     If to Investors to:

          Jon M. Stout
          Patricia W. Stout
          Stout Dynastic Trust
          10 Maiden Bower Court
          Potomac, Maryland 20854
          Telefax:  (301) 947-0544

     With a copy to:

          HOLLAND & KNIGHT, LLP
          2100 Pennsylvania N.W., Suite 400
          Washington, D.C.  20037
          Attention:  William J. Mutryn, Esquire
          Telefax:       (202) 955-5564

<PAGE>
     If to J. Richard Knop:

          2 West Washington Street
          Post Office Box 978
          Middleburg, VA 20118
          Telefax:  (540) 687-8112

     If to John D. Sanders:

          2500 Virginia Avenue, N.W. Apt. 1408-S
          Washington, D.C. 20037
          Telefax:  (202) 965-4774

     Any Person may change the address or number to which notices
are to be delivered to him, her or it by giving the other Persons
named above notice of the change in the manner set forth above.

     11.2 Governing Law.
   This  Agreement shall be governed and construed in  accordance
with  the laws of the Commonwealth of Virginia without regard  to
its choice of law rules.

     11.3 Schedules.
   The information contained in any schedule or exhibit which  is
referred  to in any section of this Agreement shall be deemed  to
have  been  disclosed in connection with, and to be  incorporated
into,  that  particular section only, and shall not be  deemed  a
part of any other section.

     11.4 Headings.
   The  headings  contained in this Agreement are  for  reference
purposes  only and shall not affect the meaning or interpretation
of the Agreement.

     11.5 Counterparts.
   This  Agreement  may be executed in two or more  counterparts,
each  of  which  shall be deemed an original, but  all  of  which
together shall constitute one and the same instrument.

     11.6 Miscellaneous.
   This  Agreement:  (i)  constitutes the  entire  agreement  and
supersedes  all  other prior agreements and understandings,  both
written and oral, between the parties with respect to the subject
matter hereof; (ii) is not intended to and shall not confer  upon
any  Person,  other  than  the  parties  hereto,  any  rights  or
remedies; and (iii) shall not be assigned by operation of law  or
otherwise.
<PAGE>
     IN  WITNESS  WHEREOF  the parties hereto  have  caused  this
Agreement  to be executed and their corporate seals to be  hereto
affixed and attested by their duly authorized officers.

COMPANY:                                GILLULY:

Hadron, Inc.


/S/ C.W. GILLULY                       /S/ C.W. GILLULY
______________________                 ___________________________
By:  C.W. Gilluly                      C.W. Gilluly
Title:  Chairman
 and Chief Executive Officer



PURCHASERS:

/S/ JON M. STOUT                        /S/ J. RICHARD KNOP
_________________                      __________________________
Jon M. Stout                            J. Richard Knop


/S/ PATRICIA W. STOUT                   /S/ JON M. STOUT
_____________________                   _________________________
Patricia W. Stout                       Stout Dynastic Trust
                                        By Jon M. Stout, Trustee

/S/ JOHN D. SANDERS
____________________
John D. Sanders


<PAGE>
EXHIBIT A
                             WARRANT

THE  SECURITIES  REPRESENTED HEREBY AND THE  SECURITIES  ISSUABLE
UPON  THE  EXERCISE  HEREOF HAVE NOT BEEN  REGISTERED  UNDER  THE
SECURITIES ACT OF 1933 AS AMENDED OR ANY STATE SECURITIES LAW AND
MAY  NOT  BE  TRANSFERRED, SOLD OR OTHERWISE DISPOSED  OF  EXCEPT
PURSUANT  TO  AN  EFFECTIVE REGISTRATION  STATEMENT  OR  A  VALID
EXEMPTION  FROM REGISTRATION UNDER SUCH ACT AND APPLICABLE  STATE
SECURITIES LAWS.


           WARRANT TO PURCHASE SHARES OF COMMON STOCK
          (subject to adjustment hereinafter provided)

                               of

                          HADRON, INC.

This      certifies      that,      for      value      received,
or  _____  registered assigns ("Holder") is entitled, subject  to
the  terms set forth below, to purchase from Hadron, Inc., a  New
York  corporation (the "Company"), such number of shares  of  the
Common Stock, par value $0.02 per share ("Common Stock"), of  the
Company, that are purchasable in connection with the exercise  of
the Warrant, as defined in Section 3 below, upon surrender hereof
at  the  principal office of the Company referred to below,  with
the  Notice  of  Exercise attached hereto as  Attachment  A  duly
executed and simultaneous payment therefor (at the Exercise Price
as  set  forth in Section 2 below) in lawful money of the  United
States  or  otherwise as hereinafter provided.   The  number  and
Exercise  Price  of such shares of Common Stock  are  subject  to
adjustment as provided below.  The term "Warrant" as used  herein
shall  include  the Warrant under this Warrant and  any  warrants
delivered  in  substitution  or  exchange  therefor  as  provided
herein.

     1.    Term  of Warrant.  Subject to the terms and conditions
set  forth herein, the Warrant shall be exercisable, in whole  or
in  part,  for  a  period of five (5) years commencing  on  March
, 2000 and ending on March     , 2005.

     2.    Exercise  Price.   The exercise price  at  which  this
Warrant may be exercised shall be seventy-two cents ($0.72)   per
share of Common Stock. (the "Exercise Price").

     3.   Number of Shares; Exercise of Warrant.

          3.1   Exercise  and Number of Shares.  Subject  to  the
provisions  of  this Agreement, the Holder of this Warrant  shall
have  the  right  to purchase from the Company (and  the  Company
shall  issue  and sell to such Holder), in the aggregate,  up  to
shares  of  the  Company's Common Stock.   This  Warrant  may  be
exercised in whole or in part in as many exercises as Holder  may
elect.  The Exercise Price shall be payable by check for good and
sufficient United States funds.
<PAGE>
          3.2    Cashless   Exercise.   Subject  to   the   other
provisions  of  this  Agreement, in  lieu  of  any  cash  payment
required  upon exercise of the Warrant, the Holder may  elect  to
exercise  this  Warrant in full or in part by  surrendering  this
Warrant in the manner specified in Section 3.1 hereof in exchange
for the number of shares of Common Stock equal to the product  of
(i)  the number of shares of Common Stock as to which the Warrant
is  being  exercised  multiplied by  (ii)  a  fraction,  (y)  the
numerator of which is the Fair Market Value of a share of  Common
Stock  on the date of exercise less the Exercise Price,  and  (z)
the  denominator of which is the Fair Market Value of a share  of
Common  Stock on such date of exercise.  Fair Market Value  shall
be equal to the average of the last sale price of Common Stock on
each  of the ten (10) trading days prior to the exercise date  of
this  Warrant on the principal exchange of which the Common Stock
may  at the time be listed; or, if there shall have been no sales
on  such  exchange on any such trading day, the  average  of  the
closing  bid  and asked prices on such exchange on  such  trading
day; or, if there is no such bid and asked price occurred; or, if
the  Common  Stock  shall not be so listed, the  average  of  the
closing  sales  prices  as  reported  by  NASDAQ  (including  its
bulletin board) at the end of each of the ten trading days  prior
to  the  date of exercise of this Warrant in the over-the counter
market; provided that if one class of the Common Stock is  listed
or reported as described in this sentence but the class of Common
Stock  with respect to which Fair Market Value is being  measured
is  not  so  listed or reported, then the Fair Market  Value  per
share with respect to such unlisted and unreported class shall be
identical to such listed or reported class.

          3.3  Delivery.  The Warrant shall be exercisable by (i)
delivering to the Company the form of notice of exercise attached
hereto as Exhibit A duly completed and signed by the Holder or by
the  duly  appointed  legal  representative  or  duly  authorized
attorney  thereof,  and  (ii) depositing  with  the  Company  the
original of this Warrant, paying the aggregate Exercise Price for
the  number  of shares of Common Stock in respect  of  which  the
Warrant  is being exercised.  Upon each partial exercise  of  the
Warrant,  a new Warrant evidencing the balance of the  shares  of
Common Stock issuable hereunder will be issued to the Holder,  as
soon  as reasonably practicable, on the same terms as the Warrant
partially exercised.  All payments due upon any exercise of  this
Warrant shall be made in cash or by check or by making a Cashless
Exercise.

          3.4  Time of Exercise.  This Warrant shall be deemed to
have been exercised immediately prior to the close of business on
the date of its surrender for exercise and the person entitled to
receive  the  shares of Common Stock issuable upon such  exercise
shall be treated for all purposes as the holder of record of such
shares  as  of  the  close of business on  such  date;  provided,
however, that in the event that the transfer books of the Company
are closed on the date of exercise, the Holder shall be deemed to
have  become  a stockholder of record on the next succeeding  day
that the transfer books are open and until such date, the Company
shall  be  under no duty to cause to be delivered any certificate
for  such  shares.  As promptly as practicable on or  after  such
date  and  in  any  event within ten (10)  days  thereafter,  the
<PAGE>

Company  at its expense shall issue and deliver to the person  or
persons   entitled   to  receive  the  same  a   certificate   or
certificates  for  the  number  of  shares  issuable  upon   such
exercise.  In the event that this Warrant is exercised  in  part,
the Company at its expense will execute and deliver a new Warrant
of like tenor exercisable for the number of shares for which this
Warrant may then be exercised.

     4.    Payment of Taxes and Expenses.  The Company shall  pay
all  expenses  in  connection  with,  and  all  taxes  and  other
governmental  charges that may be imposed with  respect  to,  the
issuance  or  delivery  of this Warrant and  the  Warrant  Stock,
unless  any such tax or charge is imposed by law upon the  Holder
or  upon  the  income or gain of Holder in connection  with  this
Warrant,  in which case such tax or charge shall be paid  by  the
Holder.   The Company shall not be required, however, to pay  any
tax  or  other  charge imposed in connection  with  any  transfer
involved in the issuance of any certificate for shares of  Common
Stock in any name other than that of the Holder, and in such case
the  Company shall not be required to issue or deliver any  stock
certificate until such tax or other charge has been  paid  or  it
has  been established to the satisfaction of the Company that  no
such tax or other charge is due.

     5.    No  Fractional Shares.  No fractional shares shall  be
issued  upon  the  exercise of this  Warrant.   In  lieu  of  any
fractional share to which the Holder would otherwise be entitled,
the Company shall make a cash payment equal to the Exercise Price
multiplied by such fraction.

     6.     Replacement  of  Warrant.   On  receipt  of  evidence
reasonably  satisfactory  to  the Company  of  the  loss,  theft,
destruction  or mutilation of this Warrant and, in  the  case  of
loss, theft or destruction, on delivery of an indemnity agreement
reasonably satisfactory in form and substance to the Company  or,
in  the case of mutilation, or surrender and cancellation of this
Warrant, the Company at its expense shall execute and deliver, in
lieu of this Warrant, a new warrant of like tenor and amount.

     7.   Adjustments.

          (a)   Adjustment.  The number of shares of Common Stock
for  which this Warrant is exercisable and the Exercise Price  at
which such shares may be purchased shall be subject to adjustment
from time to time as set forth in this Section 7.

          (b)   Stock  Dividends, Subdivisions and  Combinations.
If at any time the Company shall:

               (i)   pay  or  make  a dividend  on  Common  Stock
payable in additional shares of Common Stock;

               (ii)  subdivide its outstanding shares  of  Common
Stock into a larger number of shares of Common Stock; or

               (iii)     combine its outstanding shares of Common
Stock into a smaller number of shares of Common Stock;
<PAGE>
then  (A)  the  number of shares of Common Stock for  which  this
Warrant  is exercisable immediately after the happening  of  such
event  shall be adjusted to equal the number of shares of  Common
Stock  which  a  record holder of the same number  of  shares  of
Common  Stock  immediately prior to the happening of  such  event
would  own or be entitled to receive after the happening of  such
event, and (B) the Exercise Price shall be adjusted to equal  (1)
the  Exercise Price multiplied by the number of shares of  Common
Stock for which this Warrant is exercisable immediately prior  to
the adjustment divided by (2) the number of shares for which this
Warrant is exercisable immediately after such adjustment.

          (c)  Dividends and Distributions.  If the Company shall
distribute  to  all holders of its outstanding shares  of  Common
Stock  evidence  of indebtedness of the Company, cash  (including
cash  dividends  payable out of consolidated earnings  or  earned
surplus) or assets or securities other than additional shares  of
Common  Stock,  including  stock of a  subsidiary  but  excluding
dividends or distributions referred to in Section 7(b) above (any
such  evidences of indebtedness, cash, assets or securities,  the
"assets  or  securities"), then, in each  case,   the  number  of
shares  of Common Stock issuable after such record date to Holder
upon  the  exercise  of  each  Warrant  shall  be  determined  by
multiplying  the number of shares of Common Stock  issuable  upon
the  exercise  of such Warrant immediately prior to  such  record
date  by  a  fraction, the numerator of which shall be  the  fair
market  value per share of Common Stock immediately prior to  the
record  date for such distribution and the denominator  of  which
shall  be  the  fair  market  value per  share  of  Common  Stock
immediately  prior to the record date for such distribution  less
the then fair value (as determined in good faith by the Board) of
the  evidences  of  its indebtedness, cash  or  assets  or  other
distributions so distributed attributable to one share of  Common
Stock.    Such  adjustment  shall  be  made  whenever  any   such
distribution is made, and shall become effective on the  date  of
distribution retroactive to the record date for the determination
of  stockholders  entitled  to receive  such  distribution.   Any
adjustment  required by this Section 7(c) shall be made  whenever
any  such distribution is made, and shall become effective on the
date of such distribution retroactive to the record date for  the
determination   of   stockholders  entitled   to   receive   such
distribution.

     (d)   Reorganization,  Reclassification,  Consolidation   or
Merger.   If  the Company shall (i) effect any reorganization  or
reclassification  of  its capital stock or  (ii)  consolidate  or
merge  with or into, or transfer all or substantially all of  its
properties and assets to, any other person, in either case  in  a
transaction  in connection with which a Holder has not  exercised
this  Warrant, then, upon any exercise of this Warrant subsequent
to  the  consummation thereof, such Holder shall be  entitled  to
receive,  in  lieu  of  the Common Stock issuable  upon  exercise
immediately  prior  to such consummation, the highest  amount  of
stock,  other  securities or property (including cash)  to  which
such  Holder  would have been entitled upon such consummation  if
such Holder had exercised this Warrant immediately prior thereto,
<PAGE>

all subject to further adjustments thereafter as provided in this
Section  7.   In  the case of a consolidation,  merger,  sale  or
transfer   which  includes  an  election  as  to  the   kind   of
consideration to be received by the holders, and the transfer  is
not  the  same  for  each share of Common  Stock,  then  for  the
purposes of this Section the kind and amount of securities,  cash
and  other  property receivable upon such consolidation,  merger,
sale  or  transfer shall be deemed to be the kind and  amount  so
receivable per share by a plurality of the holders.

     (e)  All calculations under this Section 7 shall be made  to
the  nearest cent or to the nearest one-hundredth of a share,  as
the case may be.

     8.    No  Rights of Stockholders.  Subject to this  Warrant,
the Holder shall not be entitled to vote, to receive dividends or
subscription  rights, or to be deemed the holder of Common  Stock
or  any  other securities of the Company that may at any time  be
issuable  on  the  exercise hereof for  any  purpose,  nor  shall
anything contained herein be construed to confer upon the Holder,
as  such,  any  of  the rights of a stockholder of  the  Company,
including  without limitation any right to vote for the  election
of  directors  or  upon any matter submitted to stockholders,  to
give  or  withhold consent to any corporate action (whether  upon
any  recapitalization,  issuance of  stock,  reclassification  of
stock,  change of par value or change of stock to no  par  value,
consolidation,  merger,  conveyance, or  otherwise),  to  receive
notices,  or  otherwise,  until  the  Warrant  shall  have   been
exercised as provided herein.

     9.   Transfer of Warrant.

          9.1   Warrant  Register.  The Company will  maintain  a
register  (the  "Warrant  Register")  containing  the  names  and
addresses  of the Holder or Holders.  Any Holder of this  Warrant
or  any  portion thereof may change its address as shown  on  the
Warrant Register by written notice to the Company requesting such
change,  and the Company shall promptly make such change.   Until
this  Warrant  is  transferred on the  Warrant  Register  of  the
Company, the Company may treat the Holder as shown on the Warrant
Register  as the absolute owner of this Warrant for all purposes,
notwithstanding any notice to the contrary.

          9.2  Exchange of Warrant Upon a Transfer.  On surrender
of this Warrant for exchange, properly endorsed on the Assignment
attached hereto and subject to the provisions of this Warrant and
with the limitations on assignments and transfers as contained in
this  Section 9, the Company at its expense shall issue to or  on
the  order of the Holder a new warrant or warrants of like tenor,
in  the  name of the Holder or as the Holder (on payment  by  the
Holder  of  any  applicable transfer taxes) may direct,  for  the
number of shares issuable upon exercise hereof.
<PAGE>
     10.  Reservation and Authorization of Common Stock.

           (a)   The Company shall at all times reserve and  keep
available  for  issuance upon the exercise of  this  Warrant  the
maximum  number of its authorized but unissued shares  of  Common
Stock  as  could  then  potentially be  required  to  permit  the
exercise  in  full  of  this and all outstanding  Warrants.   All
shares of Common Stock issuable upon exercise of any Warrant  and
payment  therefor in accordance with the terms  of  such  Warrant
shall be duly and validly issued and fully paid and nonassesable,
and not subject to or privileged with any preemptive rights.

           (b)   Before  taking any action which would  cause  an
adjustment reducing the Exercise Price below the then par  value,
if  any, of the shares of Common Stock issuable upon exercise  of
the  Warrants, the Company shall take any corporate action  which
may  be  necessary  in  order that the Company  may  validly  and
legally issue fully paid and nonassessable shares of such  Common
Stock at such adjusted Exercise Price.

     10.    Notices.   Any  notice,  request,  consent  or  other
communication required to be made hereunder shall  be  deemed  to
have been made: (a) in the case of personal delivery, on the date
of  such  delivery;  (b)  in the case of mailing,  on  the  third
business day following the date of such mailing; and (c)  in  the
case  of  facsimile  transmission, when  confirmed  by  facsimile
machine report to the parties at the following addresses:

          If to Holder:

               --------------------
               --------------------
               --------------------
               --------------------
               --------------------

               Fax:  --------------

          If to Company:

               5904 Richmond Highway
               Suite 300
               Alexandria, Virginia  22303
               Fax: 703/329-9409
<PAGE>
     11.   Legend. Neither this Warrant nor the shares of  common
stock issuable upon exercise of this Warrant have been registered
under  the  Securities  Act of 1933, as  amended,  or  under  the
securities  laws  of  any state.  Neither this  Warrant  nor  the
shares  of common stock issued upon exercise of this Warrant  may
be  sold, transferred, pledged or hypothecated in the absence  of
(i)  an effective registration statement for this Warrant or  the
shares, as the case may be, under the Securities Act of 1933,  as
amended,  and  such  registration  or  qualification  as  may  be
necessary  under  the securities laws of any state,  or  (ii)  an
opinion  of  counsel reasonably satisfactory to the Company  that
such  registration or qualification is not required. The  Company
shall  cause a certificate or certificates evidencing all or  any
of  the  shares  of  common stock issued upon  exercise  of  this
Warrant  prior  to  said registration and qualification  of  such
shares to bear the following legend:

          THE  SHARES EVIDENCED BY THIS CERTIFICATE HAVE NOT
          BEEN  REGISTERED UNDER THE SECURITIES ACT OF 1933,
          AS  AMENDED, OR UNDER THE SECURITIES LAWS  OF  ANY
          STATE.  THE  SHARES MAY NOT BE SOLD,  TRANSFERRED,
          PLEDGED  OR  HYPOTHECATED IN  THE  ABSENCE  OF  AN
          EFFECTIVE   REGISTRATION   STATEMENT   UNDER   THE
          SECURITIES  ACT  OF  1933, AS  AMENDED,  AND  SUCH
          REGISTRATION OR QUALIFICATION AS MAY BE  NECESSARY
          UNDER  THE  SECURITIES LAWS OF ANY  STATE,  [OR  A
          VALID  EXEMPTION  FROM  REGISTRATION  UNDER   SUCH
          LAWS].


     (c)   Termination of Restrictions.  The legend  requirements
of  Section  11 shall terminate when either (i) the  security  in
question  shall  have  been  effectively  registered  under   the
Securities  Act  and  disposed of pursuant thereto  or  (ii)  the
Company  shall  have  received an opinion of  counsel  reasonably
satisfactory to it that such legend is not required in  order  to
insure compliance with the Securities Act.

     12.    Investment  Covenant.   The  Holder  by  his  or  her
acceptance  hereof covenants that this Warrant is and any  common
stock  issued hereunder will be acquired for investment purposes,
and that the Holder will not distribute the same in violation  of
any state or federal law or regulation.


     13.   Amendments.  The terms and provisions of this  Warrant
may  not be modified or amended, or any provisions hereof waived,
temporarily  or  permanently, except by written  consent  of  the
Company and the Holder.
<PAGE>
     14.   Certificate.   Upon  request by  the  Holder  of  this
Warrant,  the  Company shall promptly deliver to  such  holder  a
certificate executed by its President or Chief Financial  Officer
setting  forth the total number of outstanding shares of  capital
stock, convertible debt instruments and options, rights, warrants
or  other  agreements relating to the purchase  of  such  capital
stock   or  convertible  debt  instruments,  together  with   its
calculation  of  the  number of shares  remaining  available  for
issuance upon exercise of this Warrant, and a certificate of  the
accuracy of the statements set forth therein.

     15    Successors and Assigns.  This Warrant and  the  rights
and  duties  of the Holder set forth herein may be  assigned,  in
whole  or in part, by the Holder.  The obligations of the Company
evidenced  by this Warrant shall be binding upon its  successors,
but  neither this Warrant nor any of the rights or duties of  the
Company  set  forth herein shall be assigned by the  Company,  in
whole  or  in  part,  without having first received  the  written
consent of the Holder.

     16.   Governing Law.  This Warrant shall be governed by, and
construed  in  accordance with, the laws of the  Commonwealth  of
Virginia  without  regard to the principles of conflicts  of  law
thereof.
<PAGE>
     IN  WITNESS WHEREOF, the Company has caused this Warrant  to
be  executed on its behalf and under its corporate seal as of the
date  first above written by one of its duly authorized  officers
and  its  execution hereof to be attested by another of its  duly
authorized officers.

Date: March          , 2000              HADRON, INC.



                                   By:_________________________________
                                      C.W. Gilluly
                                      Chief Executive Officer






Attested:


________________________
Secretary

<PAGE>


                          ATTACHMENT A

                       NOTICE OF EXERCISE

To:  HADRON, INC. (the "Company")

      The  undersigned hereby irrevocably elects to exercise  the
right of purchase thereunder, ____________ shares of Common Stock
of  the  Company,  as provided for therein, and tenders  herewith
payment  of  the  purchase price in full  in  the  form  of  wire
transfer,   cash   or  a  check  in  the  aggregate   amount   of
$___________.  If  said number of shares shall  not  be  all  the
shares  purchasable  under  the within  Warrant,  a  new  Warrant
Certificate  is to be issued in the name of said undersigned  for
the  balance remaining of the shares purchasable thereunder  less
any fraction of a share paid in cash.

      Please issue a certificate or certificates for such  shares
of  Common  Stock  in  the name of, and  pay  any  cash  for  any
fractional share to:

               Name:______________________________
               By:________________________________
               Signature:___________________________


                           ASSIGNMENT

          (To be executed only upon assignment of Warrant)

       For  value  received,  __________________________,  hereby
sells,  assigns  and transfers unto ________________________  the
within  Warrant,  together  with all right,  title  and  interest
therein,  and  does  hereby irrevocably  constitute  and  appoint
_______________________ attorney, to transfer said Warrant on the
books   of   the  within-named  Company,  with  full   power   of
substitution of the premises.


Dated: ___________________, 20___



                             ____________________________________

                             By: ________________________________


<PAGE>
EXHIBIT B
<TABLE>
<CAPTION>

                      PURCHASER ALLOCATIONS


     INVESTORS            SHARES OF        WARRANTS TO      AGGREGATE
                         COMMON STOCK        PURCHASE       PURCHASE
                            TO BE           SHARES OF         PRICE
                        PURCHASED FROM     COMMON STOCK
                         THE COMPANY         FROM THE
                                            COMPANY

<S>                      <C>               <C>           <C>
Jon M. Stout                   261,290         235,161    $101,903.10
Patricia W. Stout and          256,410         230,769     $99,999.90
Stout Dynastic               1,128,200       1,015,380    $439,998.00
Trust
10 Maiden Bower Ct.
Potomac, MD 20854

J. Richard Knop                514,100         462,690       $200,499
2 West Washington St.
Post Office Box 978
Middleburg, VA 20118

John D. Sanders                 90,000          81,000        $35,100
2500 Virginia Ave, N.W.
Apt. 1408-S
Washington, D.C. 20037


</TABLE>
<PAGE>



Exhibit#_________
                        HADRON, INC.

                REGISTRATION RIGHTS AGREEMENT





                       March 30, 2000
                REGISTRATION RIGHTS AGREEMENT


      THIS  AGREEMENT  dated March 30, 2000,  by  and  among
Hadron, Inc., a New York corporation (the "Company"), Jon M.
Stout  ("Stout"),  Patricia W. Stout ("Mrs.  Stout"),  Stout
Dynastic  Trust ("Stout Trust") and J. Richard Knop ("Knop")
(Stout,  Mrs.  Stout, Stout Trust and Knop  being  each,  an
"Investor"  and  collectively,  the  "Investors")  and   the
persons  designated as Other Holders on the signature  pages
hereto (each, an "Other Holder" and collectively, the "Other
Holders").

      WHEREAS, the Company, the Investors and certain of the
Other  Holders  are simultaneously entering into  a  certain
Securities  Purchase Agreement, dated as of the date  hereof
(the  "Purchase  Agreement"),  whereby  the  Investors  have
agreed  to  purchase shares of common stock, par value  $.02
per share, of the Company (" Common Stock"), and warrants to
purchase   additional  shares  of  Common  Stock  ("Purchase
Warrants"); and

       WHEREAS,  the  execution  of  this  Agreement  is  an
inducement and a condition precedent to the purchase by  the
Investors  of Common Stock and Purchase Warrants  under  the
Purchase Agreement.

     NOW, THEREFORE, in consideration of the premises, as an
inducement  to the Investors to consummate the  transactions
contemplated by the Purchase Agreement, and for  other  good
and  valuable consideration, the receipt and sufficiency  of
which is hereby acknowledged, the Company, the Investors and
the  Other Holders hereby covenant and agree with each other
as follows:

     1.   Certain Definitions.  As used in this Agreement, the
following   terms   shall  have  the  following   respective
meanings:

           "Board of Directors" means the Board of Directors
of the Company.

            "Commission"   shall  mean  the  United   States
Securities  and  Exchange Commission, or any  other  federal
agency at the time administering the Securities Act and  the
Exchange Act.

           "Common  Stock" shall mean the Common Stock,  par
value   $.02  per  share,  of  the  Company  and  any  other
securities  into  which or for which any of  the  securities
described above may be converted or exchanged pursuant to  a
plan  of  recapitalization, reorganization, merger, sale  of
assets or otherwise.

           "Company"  shall  refer to the  Company  and  any
successor or successors thereto.

           "Exchange Act" shall mean the Securities Exchange
Act  of  1934, as amended, or any similar successor  federal
statute,  and  the rules and regulations of  the  Commission
thereunder, all as the same shall be in effect at the time.

           "Majority Interest" means the holders of not less
than  a  majority in interest in the outstanding Registrable
Securities held by all of the referenced class.

           "Person" shall mean an individual, a corporation,
a  partnership,  a joint venture, a trust, an unincorporated
organization, a limited liability company or partnership,  a
government and any agency or political subdivision thereof.

          "Registrable Securities" shall mean (i) any shares
of  Common Stock  purchased by the Investors pursuant to the
Purchase Agreement or received by the Investors, or  subject
to  acquisition  by any Investor upon the  exercise  of  the
Purchase Warrants (it being understood that for purposes  of
this Agreement, an Investor will be deemed to be a holder of
Registrable Securities whenever such Person has the right to
then  acquire  or  obtain from the Company  any  Registrable
Securities,  whether  or not such acquisition  has  actually
been  effected); (ii) any shares of Common Stock   purchased
by  the  Other  Holders pursuant to the Purchase  Agreement,
owned  by  Other Holders on the Closing Date of the Purchase
Agreement  or received by the Other Holders, or  subject  to
acquisition  by any Other Holders upon the exercise  of  the
Purchase Warrants (it being understood that for purposes  of
this  Agreement,  an Other Holder will be  deemed  to  be  a
holder  of  Registrable Securities whenever such Person  has
the  right  to then acquire or obtain from the  Company  any
Registrable Securities, whether or not such acquisition  has
actually  been  effected); and (iii)  any  other  securities
issued   and  issuable  with  respect  to  any  such  shares
described  in clause (i) and (ii) above by way  of  a  stock
dividend  or stock split or in connection with a combination
of  shares, recapitalization, merger, consolidation or other
reorganization;   provided,  however,  that  notwithstanding
anything  to  the  contrary contained  herein,  "Registrable
Securities" shall not at any time include any securities (i)
registered  and  sold pursuant to the Securities  Act,  (ii)
sold  to  the public pursuant to Rule 144 promulgated  under
the  Securities  Act or (iii) which could then  be  sold  in
their entirety pursuant to Rule 144(k) without limitation or
restriction.

          "Registration Expenses" shall mean the expenses so
described in Section 5 hereof.

           "Securities Act" shall mean the Securities Act of
1933,  as amended, or any similar successor federal statute,
and  the rules and regulations of the Commission thereunder,
all as the same shall be in effect at the time.

     2.   Demand Registration.

        (a)  At any time after the date of this Agreement, a
Majority  Interest of the Investors may notify  the  Company
that  they intend to offer or cause to be offered for public
sale  all or any portion of their Registrable Securities  in
the  manner specified in such request.  Upon receipt of such
request, the Company shall promptly deliver notice  of  such
request  to  all Persons holding Registrable Securities  and
who  shall then have thirty (30) days to notify the  Company
in   writing  of  their  desire  to  be  included  in   such
registration.  If the request for registration  contemplates
an  underwritten  public offering, the Company  shall  state
such  in the written notice and in such event, the right  of
any  Person  to  participate in such registration  shall  be
conditioned  upon  their participation in such  underwritten
public  offering  and  the inclusion  of  their  Registrable
Securities in the underwritten public offering to the extent
provided  herein.  The Company will use its reasonable  best
efforts  to  expeditiously effect the  registration  of  all
Registrable  Securities whose holders request  participation
in  such registration under the Securities Act and qualified
for  sale  under any state blue sky law; provided,  however,
that   the   Company  shall  not  be  required   to   effect
registration pursuant to a request under this Section 2 more
than  one  (1)  time  for  the holders  of  the  Registrable
Securities  as  a  group.  Notwithstanding anything  to  the
contrary contained herein, no request may be made under this
Section  2 within ninety (90) days after the effective  date
of a registration statement filed by the Company covering  a
firm  commitment underwritten public offering.  The  Company
may   postpone  the  filing  or  the  effectiveness  of  any
registration  statement pursuant to this  Section  2  for  a
reasonable  time  period, provided that  such  postponements
shall  not  exceed ninety (90) days in the aggregate  during
any  twelve (12) month period, if (i) the Company  has  been
advised  by  legal counsel that such filing or effectiveness
would   require   disclosure  of   a   material   financing,
acquisition or other corporate transaction, and the Board of
Directors of the Company determines in good faith that  such
disclosure  is not in the best interests of the Company  and
its  stockholders  or  (ii) the Board of  Directors  of  the
Company  determines  in good faith that  there  is  a  valid
business   purpose   or  reason  for  delaying   filing   or
effectiveness (which period may be extended an additional 30
days if such deferral will materially reduce the expenses of
such registration due to the elimination of the need for any
special  audits  to  be  performed in connection  with  such
registration).  A registration will not count as a requested
registration  under this Section 2(a) until the registration
statement  relating to such registration has  been  declared
effective by the Commission at the request of the initiating
holders;  provided, however, that if a majority in  interest
of   the   participating  Investors   holding    Registrable
Securities  shall  request,  in writing,  that  the  Company
withdraw a registration statement which has been filed under
this  Section  2(a) but not yet been declared  effective,  a
majority  in  interest  of  such  Investors  may  thereafter
request   the   Company  to  reinstate   such   Registration
Statement, if permitted under the Securities Act, or to file
another  registration  statement,  in  accordance  with  the
procedures set forth herein; provided however, that  if  the
withdrawal  and  filing  of another  registration  statement
materially  increases the total expenses anticipated  to  be
incurred  with  respect to the withdrawn  registration,  the
Investors   shall  share  equally  with  the  Company   such
increased expenses.

   (b)  If a requested registration involves an underwritten
public offering and the managing underwriter of such
offering determines in good faith that the number of
securities sought to be offered should be limited due to
market conditions, then the number of securities to be
included in such underwritten public offering shall be
reduced to a number deemed satisfactory by such managing
underwriter, provided that the shares to be excluded shall
be determined in the following sequence:  (i) first,
securities held by any other Persons (other than the
Investors or Other Holders holding Registrable Securities)
not having registration rights or having contractual,
incidental "piggy back" right to include such securities in
the registration statement, (ii) second, shares sought to be
registered by the Company, (iii) third, Registrable
Securities of holders (other than Investors and Other
Holders) who did not make the original request for
registration, and (iv) fourth, Registrable Securities of
holders who requested such registration pursuant to
Section 2(a), it being understood that no shares shall be
registered for the account of the Company or any shareholder
other than the Investors or Other Holders unless all
Registrable Securities for which Investors and Other Holders
have requested registration have been registered.  If there
is a reduction of the number of Registrable Securities
pursuant to clauses (i), (iii) or (iv), such reduction shall
be made on a pro rata basis (based upon the aggregate number
of shares of Common Stock or Registrable Securities held by
the holders in each tranche and subject to the priorities
set forth in the preceding sentence).

    (c)  With respect to a request for registration pursuant to
Section 2(a) which is for an underwritten public offering,
the managing underwriter shall be chosen by the Investors
holding not less than a  Majority Interest of the
Registrable Securities to be sold in such offering, subject
to the Company's consent, which such consent shall not be
unreasonably withheld.  The Company may not cause any other
registration of securities for sale for its own account
(other than a registration effected solely to implement an
employee benefit plan or a transaction to which Rule 145 of
the Securities Act is applicable) to become effective within
one hundred eighty (180) days following the effective date
of any registration required pursuant to this Section 2 or
such lesser period as may be consented to by the managing
underwriter.

     3.   Piggyback Registration.  If the Company at any time
proposes  to  register  any of its Common  Stock  under  the
Securities Act for sale to the public (including pursuant to
a  demand  under  Section 2 hereof as provided  therein  and
except with respect to registration statements on Forms S-4,
S-8  or any successor form or another form not available for
registering  the  Registrable Securities  for  sale  to  the
public), each such time it will give written notice  at  the
applicable  address of record to each holder of  Registrable
Securities  of  its intention to do so.   Upon  the  written
request  of  any  Investor  holding Registrable  Securities,
given  within thirty (30) days after receipt by such  Person
of  such  notice, the Company will, subject  to  the  limits
contained in this Section 3, use its reasonable best efforts
to  cause  all such Registrable Securities of any requesting
holders  to  be  registered under  the  Securities  Act  and
qualified for sale under any state blue sky law, all to  the
extent required to permit such sale or other disposition  of
said Registrable Securities; provided, however, that if  the
Company  is advised in writing in good faith by any managing
underwriter of the Company's securities being offered  in  a
public offering pursuant to such registration statement that
the  amount  to  be sold by persons other than  the  Company
(collectively, "Selling Stockholders") is greater  than  the
amount which can be offered without adversely affecting  the
offering, the Company may reduce the amount offered for  the
accounts of Selling Stockholders (including such holders  of
shares   of  Registrable  Securities)  to  a  number  deemed
satisfactory  by  such  managing underwriter;  and  provided
further,  that the shares to be excluded shall be determined
in  the  following sequence:  (i) first, securities held  by
any  Persons  not  having  any such contractual,  incidental
registration  rights, (ii) second, securities  held  by  any
Persons  having contractual, incidental registration  rights
pursuant to an agreement which is not this Agreement,  (iii)
third,  in  a registration requested pursuant to Section  2,
all  Registrable  Securities other than those  held  by  the
participating Investors and Other Holders and  (iv)  fourth,
the   Registrable  Securities  sought  to  be  included   by
participating   Investors  and  Other   Holders   requesting
registration,  pari pasu in accordance with  the  amount  of
Registrable  Securities sought to be included by  each  such
holder.

    4.   Registration Procedures.  If and whenever the Company
is required by the provisions of this Agreement to use its
reasonable best efforts to effect the registration of any of
its securities under the Securities Act, the Company will,
as expeditiously as possible:

  (a)  use its reasonable best efforts diligently to prepare
and file with the Commission a registration statement on the
appropriate  form under the Securities Act with  respect  to
such  securities, which registration statement shall  comply
as to form in all material respects with the requirements of
the  applicable  form  and include all financial  statements
required  by the Commission to be filed therewith,  and  use
its  reasonable  best  efforts to  cause  such  registration
statement to become and remain effective until completion of
the  proposed  offering (but not for more than  one  hundred
eighty (180) days);

 (b)  prepare and file with the Commission such amendments
and supplements to such registration statement and the
prospectus used in connection therewith as may be necessary
to keep such registration statement effective until the
completion of the offering (but not for more than one
hundred eighty (180) days) and to comply with the provisions
of the Securities Act with respect to the sale or other
disposition of all securities covered by such registration
statement whenever the seller or sellers of such securities
shall desire to sell or otherwise dispose of the same, but
only to the extent provided in this Agreement;

 (c)  furnish to each selling holder and the underwriters, if
any, such number of copies of such registration statement,
any amendments thereto, any documents incorporated by
reference therein, the prospectus, including a preliminary
prospectus, in conformity with the requirements of the
Securities Act, and such other documents as such selling
holder may reasonably request in order to facilitate the
public sale or other disposition of the securities owned by
such selling holder;

 (d)  use its reasonable best efforts to register or qualify
the securities covered by such registration statement under
and to the extent required by such other securities or state
blue sky laws of such jurisdictions as each selling holder
shall reasonably request, and do any and all other acts and
things which may be necessary under such securities or blue
sky laws to enable such selling holder to consummate the
public sale or other disposition in such jurisdictions of
the securities owned by such selling holder, except that the
Company shall not for any such purpose be required to
qualify to do business as a foreign corporation in any
jurisdiction wherein it is not so qualified;

 (e)  within a reasonable time before each filing of the
registration statement or prospectus or amendments or
supplements thereto with the Commission, furnish to counsel
selected in the manner set forth in Section 5 below by the
holders of Registrable Securities, copies of such documents
proposed to be filed, and use its reasonable best efforts to
incorporate comments;

 (f)  promptly notify each selling holder of Registrable
Securities, such selling holders' counsel selected in this
manner set forth in Section 5 below and any underwriter and
(if requested by any such Person) confirm such notice in
writing, of the happening of any event which makes any
statement made in the registration statement or related
prospectus untrue or which requires the making of any
changes in such registration statement or prospectus so that
they will not contain any untrue statement of a material
fact or omit to state any material fact required to be
stated therein or necessary to make the statements therein
in the light of the circumstances under which they were made
not misleading; and, as promptly as practicable thereafter,
prepare and file with the Commission and furnish a
supplement or amendment to such prospectus so that, as
thereafter deliverable to the purchasers of such Registrable
Securities, such prospectus will not contain any untrue
statement of a material fact or omit to state a material
fact necessary to make the statements therein, in the light
of the circumstances under which they were made, not
misleading;

 (g)  use its reasonable best efforts to prevent the issuance
of any order suspending the effectiveness of a registration
statement, and if one is issued use its reasonable best
efforts to obtain the withdrawal of any order suspending the
effectiveness of a registration statement at the earliest
possible moment;

 (h)  if reasonably requested by the managing underwriter or
underwriters (if any), any selling holder, or such selling
holder's counsel, promptly incorporate in a prospectus
supplement or post-effective amendment such information as
such Person requests to be included therein with respect to
the selling holder or the securities being sold, including,
without limitation, with respect to the securities being
sold by such selling holder to such underwriter or
underwriters, the purchase price being paid therefor by such
underwriter or underwriters and with respect to any other
terms of an underwritten offering of the securities to be
sold in such offering, and promptly make all required
filings of such prospectus supplement or post-effective
amendment;

 (i)  make available to each selling holder, any underwriter
participating in any disposition pursuant to a registration
statement, and any attorney, accountant or other agent or
representative retained by any such selling holder or
underwriter (collectively, the "Inspectors"), all financial
and other records, pertinent corporate documents and
properties of the Company (collectively, the "Records"), as
shall be reasonably necessary to enable them to exercise
their due diligence responsibility, and cause the Company's
officers, directors and employees to supply all information
reasonably requested by any such Inspector in connection
with such registration statement subject, in each case, to
such confidentiality agreements as the Company shall
reasonably request;

 (j)  enter into any reasonable underwriting agreement
required by the proposed underwriter(s) for the selling
holders, if any, and use its reasonable best efforts to
facilitate the public offering of the securities;

 (k)  request that each prospective selling holder be
furnished a signed counterpart, addressed to the prospective
selling holder, of (i) an opinion of counsel for the
Company, dated the effective date of the registration
statement, and (ii) if and to the extent permitted by
applicable professional standards, a "comfort" letter signed
by the independent public accountants who have certified the
Company's financial statements included in the registration
statement, covering substantially the same matters with
respect to the registration statement (and the prospectus
included therein) and (in the case of the accountants'
letter) with respect to events subsequent to the date of the
financial statements, as are customarily covered (at the
time of such registration) in opinions of the Company's
counsel and in accountants' letters delivered to the
underwriters in underwritten public offerings of securities;

 (l)  use its reasonable best efforts to cause the securities
covered by such registration statement to be listed on the
securities exchange or quoted on the quotation system on
which the Common Stock is then listed or quoted;

 (m)  otherwise use its reasonable best efforts to comply
with all applicable rules and regulations of the Commission
and make generally available to its security holders, in
each case as soon as practicable, but not later than  90
days after the close of the period covered thereby, an
earnings statement of the Company which will satisfy the
provisions of Section 11(a) of the Securities Act and Rule
158 thereunder (or any comparable successor provisions); and

 (n)  otherwise cooperate with the underwriter(s), the
Commission and other regulatory agencies and take all
reasonable actions and execute and deliver or cause to be
executed and delivered all documents reasonably necessary to
effect the registration of any securities under this
Agreement.

     5.   Expenses.  All reasonable expenses incurred by the
Company  and  the  Investors in effecting the  registrations
provided  for  in  Sections  2  and  3,  including,  without
limitation,  all  registration  and  filing  fees,  printing
expenses, fees and disbursements of counsel for the  Company
and  one  counsel for the selling stockholders  as  a  group
(selected by a majority in interest of the Investor  holders
of   Registrable   Securities   who   participate   in   the
registration),  underwriting  expenses  (other  than   fees,
commissions  or discounts), expenses of any audits  incident
to  or  required  by any such registration and  expenses  of
complying  with  the  securities or blue  sky  laws  of  any
jurisdictions pursuant to Section 4(d) hereof (all  of  such
expenses  referred to as "Registration Expenses"), shall  be
paid by the Company except as expressly provided herein.

    6.   Indemnification.
       (a)  Except to the extent indemnification is provided
pursuant to section 6(b) hereof, the Company shall indemnify
and   hold   harmless  the  selling  holder  of  Registrable
Securities,  each underwriter (as defined in the  Securities
Act), and each other Person who participates in the offering
of  such  securities  and each other  Person,  if  any,  who
controls  (within  the meaning of the Securities  Act)  such
seller,  underwriter  or participating Person  (individually
and  collectively,  the "Indemnified  Person")  against  any
losses,  claims,  damages or liabilities (collectively,  the
"liability"),  joint or several, to which  such  Indemnified
Person  may become subject under the Securities Act  or  any
other  statute  or at common law, insofar as such  liability
(or  action  in respect thereof) arises out of or  is  based
upon (i) any untrue statement or alleged untrue statement of
any  material fact contained, on the effective date thereof,
in  any  registration statement under which such  securities
were  registered  under the Securities Act, any  preliminary
prospectus  or  final prospectus contained therein,  or  any
amendment  or  supplement thereto, or (ii) any  omission  or
alleged  omission to state therein a material fact  required
to  be  stated  therein or necessary to make the  statements
therein  not  misleading.  Except as otherwise  provided  in
Section   6(d),  the  Company  shall  reimburse  each   such
Indemnified  Person  in  connection  with  investigating  or
defending any such liability as expenses in connection  with
the  same are incurred; provided, however, that the  Company
shall  not be liable to any Indemnified Person in  any  such
case to the extent that any such liability arises out of  or
is  based  upon  any  untrue  statement  or  alleged  untrue
statement  or  omission  or alleged omission  made  in  such
registration statement, preliminary or final prospectus,  or
amendment  or  supplement thereto in reliance  upon  and  in
conformity  with  information furnished in  writing  to  the
Company by such Indemnified Person or his agent or attorneys
specifically for use therein; and provided further, that the
Company  shall not be required to indemnify any  Indemnified
Person  against  any liability arising from  any  untrue  or
misleading   statement   or  omission   contained   in   any
preliminary  prospectus if such deficiency is  corrected  in
the  final prospectus or for any liability which arises  out
of  the failure of any Indemnified Person to deliver a final
prospectus as required by the Securities Act.

    (b)  Except to the extent any liability results from the
Company's failure to incorporate any information or comments
furnished by a selling holder or his counsel, each selling
holder of any securities included in such registration being
effected shall indemnify and hold harmless each other
selling holder of any securities, the Company, its directors
and officers, each underwriter and each other Person, if
any, who controls the Company or such underwriter
(individually and collectively also the "Indemnified
Person"), against any liability, joint or several, to which
any such Indemnified Person may become subject under the
Securities Act or any other statute or at common law,
insofar as such liability (or actions in respect thereof)
arises out of or is based upon (i) any untrue statement or
alleged untrue statement of any material fact contained, on
the effective date thereof, in any registration statement
under which securities were registered under the Securities
Act at the request of such selling holder or his agent or
attorney, any preliminary prospectus or final prospectus
contained therein, or any amendment or supplement thereto,
or (ii) any omission or alleged omission by such selling
holder to state therein a material fact required to be
stated therein or necessary to make the statements therein
not misleading, in the case of (i) and (ii) to the extent,
but only to the extent, that such untrue statement or
alleged untrue statement or omission or alleged omission was
made in such registration statement, preliminary or final
prospectus, amendment or supplement thereto in reliance upon
and in conformity with information furnished in writing to
the Company by such selling holder or his agent or attorney
specifically for use therein.  Such selling holder shall
reimburse any Indemnified Person for any legal fees incurred
in investigating or defending any such liability; provided,
however, that such selling holder's obligations hereunder
shall be limited to an amount equal to the proceeds to such
selling holder of the securities sold in any such
registration.

     (c)  Indemnification similar to that specified in Sections
6(a) and (b) shall be given by the Company and each selling
holder (with such modifications as may be appropriate) with
respect to any required registration or other qualification
of their securities under any federal or state law or
regulation of governmental authority other than the
Securities Act.

     (d)  If the indemnification provided for in this Section 6
for any reason is held by a court of competent jurisdiction
to be unavailable to an indemnified party in respect of any
losses, claims, damages, expenses or liabilities referred to
therein, then each indemnifying party under this Section 6,
in lieu of indemnifying such indemnified party thereunder,
shall contribute to the amount paid or payable by such
indemnified party as a result of such losses, claims,
damages, expenses or liabilities (i) in such proportion as
is appropriate to reflect the relative benefits received by
the Company, the selling holders and the underwriters from
the offering of the Registrable Securities or (ii) if the
allocation provided by clause (i) above is not permitted by
applicable law, in such proportion as is appropriate to
reflect not only the relative benefits referred to in clause
(i) above but also the relative fault of the Company, the
other selling holders and the underwriters in connection
with the statements or omissions which resulted in such
losses, claims, damages, expenses or liabilities, as well as
any other relevant equitable considerations.  The relative
benefits received by the Company, the selling holders and
the underwriters shall be deemed to be in the same
respective proportions that the net proceeds from the
offering (before deducting expenses) received by the Company
and the selling holders and the underwriting discount
received by the underwriters, in each case as set forth in
the table on the cover page of the applicable prospectus,
bear to the aggregate public offering price of the
Registrable Securities.  The relative fault of the Company,
the selling holders and the underwriters shall be determined
by reference to, among other things, whether the untrue or
alleged untrue statement of a material fact or the omission
or alleged omission to state a material fact relates to
information supplied by the Company, the selling holders or
the underwriters and the parties' relative intent,
knowledge, access to information and opportunity to correct
or prevent such statement or omission.

            The   Company,  the  selling  holders  and   the
underwriters  agree that it would not be just and  equitable
if  contribution pursuant to this Section 6 were  determined
by  pro rata or per capita allocation or by any other method
of  allocation which does not take account of the  equitable
considerations  referred  to in  the  immediately  preceding
paragraph.  In no event, however, shall a selling holder  be
required to contribute any amount under this Section 6(d) in
excess of the lesser of (i) that proportion of the total  of
such  losses,  claims,  damages or  liabilities  indemnified
against  equal  to  the proportion of the total  Registrable
Securities sold under such registration statement which  are
being  sold  by  such selling holder or  (ii)  the  proceeds
received by such selling holder from its sale of Registrable
Securities  under  such registration statement.   No  person
found  guilty  of fraudulent misrepresentation  (within  the
meaning  of  Section 11(f) of the Securities Act)  shall  be
entitled  to contribution from any person who was not  found
guilty of such fraudulent misrepresentation.

   7.   Compliance with Rule 144.  For so long as the Company
(i) has a class of securities registered under Section 12 of
the  Exchange Act or (ii) is required to file reports  under
Section  13  or 15(d) of the Exchange Act, the Company  will
use  its  best  efforts  to file with  the  Commission  such
information  as is required under the Exchange  Act  for  so
long as there are holders of Registrable Securities; and  in
such  event,  the  Company  shall use  its  reasonable  best
efforts to take all action as may be required as a condition
to the availability of Rule 144 under the Securities Act (or
any  comparable successor rules).  The Company shall furnish
to  any  holder  of Registrable Securities  upon  request  a
written statement executed by the Company as to the steps it
has  taken  to  comply with the current  public  information
requirement  of  Rule  144  (or  such  comparable  successor
rules).  Subject to the limitations on transfers imposed  by
this  Agreement,  the Company shall use its reasonable  best
efforts  to facilitate and expedite transfers of Registrable
Securities  pursuant to Rule 144 under the  Securities  Act,
which  efforts shall include timely notice to  its  transfer
agent to expedite such transfers of Registrable Securities.

   8.   Amendments.  The provisions of this Agreement may be
amended, and the Company may take any action herein
prohibited or omit to perform any act herein required to be
performed by it, only with the written consent of the
Company, a Majority Interest of the Investors and a Majority
Interest of the Other Holders.

   9.   Market Stand-Off.  Each Investor and Other Holder
agrees, if requested by the Company and an underwriter of
Registrable Securities of the Company in connection with any
public offering of the Company and if executive officers,
directors and all other holders of 5% of the Company's
Common Stock so agree, not to sell or otherwise transfer or
dispose of any shares held by such Investor or Other Holder
for such period, not to exceed ninety (90) days following
the effective date of the relevant registration statement in
connection with any public offering of Registrable
Securities, as such underwriter shall specify reasonably and
in good faith.

  10.  Transferability of Registration Rights.  The
registration rights set forth in this Agreement are
transferable to each permitted transferee of the Registrable
Securities provided that: (a) the Company is given written
notice specifying the name, address, and number of
Registrable Securities being transferred, (b) the transfer
involves the lesser of all of the Registrable Securities
held by Transferor or at least 450,000 shares, (c) the
notice of transfer is accompanied by either (i) a written
opinion of legal counsel who shall be reasonably
satisfactory to the Company addressed to the Company and
reasonably satisfactory in form and substance to the
Company's counsel to the effect that the proposed transfer
may be effected without registration under the Act, or (ii)
a "no action" letter from the Commission to the effect that
the proposed transfer without registration will not result
in a recommendation by the staff of the Commission that
action to be taken with respect thereto; and provided
further that each subsequent holder of Registrable
Securities must consent in writing to be bound by the terms
and conditions of this Agreement in order to acquire the
rights granted pursuant to this Agreement.  Notwithstanding
the foregoing, the registration rights set forth in this
agreement shall automatically transfer to and be binding
upon any transferee of Purchasers or Other Holders as a
result of a gift or bequest of Registrable Securities by
such transferor.

  11.  Rights Which May Be Granted to Subsequent Investors.
Other than permitted transferees of Registrable Securities
under Section 10 hereof, the Company shall not, without the
prior written consent of a Majority Interest of the
Investors, (a) allow purchasers of the Company's securities
to become a party to this Agreement or (b) grant any other
registration rights to any third parties other than
subordinate piggyback registration rights.

  12.  Damages.  The Company recognizes and agrees that each
holder of Registrable Securities will not have an adequate
remedy if the Company fails to comply with the terms and
provisions of this Agreement and that damages will not be
readily ascertainable, and the Company expressly agrees
that, in the event of such failure, it shall not oppose an
application by any holder of Registrable Securities or any
other Person entitled to the benefits of this Agreement
requiring specific performance of any and all provisions
hereof or enjoining the Company from continuing to commit
any such breach of this Agreement.

  13.  Miscellaneous.
    (a)  All notices, requests, demands and other communications
provided  for hereunder shall be in writing and  mailed  (by
first  class registered or certified mail, postage prepaid),
telegraphed,  sent by express overnight courier  service  or
electronic facsimile transmission (with a copy by mail),  or
delivered to the applicable party at the addresses indicated
below:

     If to the Company:

     Hadron, Inc.
     5904 Richmond Highway, Suite 300
     Alexandria, Virginia  22303

     Attn:  President

     With copy to Company's counsel

     If to the Investors:

     Jon M. Stout
     10 Maiden Bower Court
     Potomac, MD  20854

     If to any other holder of Registrable Securities:

At  such  Person's address for notice as set  forth  in  the
books  and  records of the Company, or, as to  each  of  the
foregoing,  at such other address as shall be designated  by
such  Person in a written notice to other parties  complying
as  to delivery with the terms of this subsection (a).   All
such  notices,  requests, demands and  other  communications
shall,  when  mailed, telegraphed or sent, respectively,  be
effective (i) two days after being deposited in the mails or
(ii) one day after being delivered to the telegraph company,
deposited with the express overnight courier service or sent
by    electronic   facsimile   transmission,   respectively,
addressed as aforesaid.

   (b)  This Agreement shall be governed by and construed in
accordance  with the laws of  the Commonwealth of  Virginia,
without   giving  effect  to  conflict  of  laws  principles
thereof.

   (c)  This Agreement may be executed in two or more
counterparts, each of which shall be deemed an original, but
all of which together shall constitute one and the same
instrument.

   (d)  If any provision of this Agreement shall be held to be
illegal, invalid or unenforceable, such illegality,
invalidity or unenforceability shall attach only to such
provision and shall not in any manner affect or render
illegal, invalid or unenforceable any other provision of
this Agreement, and this Agreement shall be carried out as
if any such illegal, invalid or unenforceable provision were
not contained herein.

     14.  Dispute Resolution.  Except as provided below, any
dispute arising out of or relating to this Agreement or  the
breach,  termination  or validity hereof  shall  be  finally
settled  by  binding arbitration conducted expeditiously  in
accordance   with   the   J.A.M.S./Endispute   Comprehensive
Arbitration  Rules  and Procedures (the  "J.A.M.S.  Rules").
The  arbitration  shall be governed  by  the  United  States
Arbitration  Act,  9  U.S.C. 1-16,  and  judgment  upon  the
award  rendered  by the arbitrators may be  entered  by  any
court having jurisdiction thereof.  The place of arbitration
shall be  the Metropolitan Area of Washington, D.C.

      Such  proceedings shall be administered by the neutral
arbitrator in accordance with the J.A.M.S. Rules  as  he/she
deems appropriate, however, such proceedings shall be guided
by the following agreed upon procedures:

                (i)   mandatory  exchange  of  all  relevant
documents, to be accomplished within forty-five (45) days of
the initiation of the procedure;

               (ii)      no other discovery;

              (iii)       hearings  before  the   neutral
arbitrator which shall consist of a summary presentation  by
each side of not more than three (3) hours; such hearings to
take place on one or two days at a maximum; and

               (iv)  decision to be rendered not more  than
ten (10) days following such hearings.

      Notwithstanding  anything to  the  contrary  contained
herein,  the provisions of this Section 14 shall  not  apply
with regard to any equitable remedies to which any party may
be entitled hereunder.

      Each  of  the  parties hereto (a)  hereby  irrevocably
submits  to  the jurisdiction of any United States  District
Court of competent jurisdiction for the purpose of enforcing
the  award  or decision in any such proceeding,  (b)  hereby
waives,  and  agrees not to assert, by way of motion,  as  a
defense,   or  otherwise,  in  any  such  suit,  action   or
proceeding,  any claim that it is not subject personally  to
the   jurisdiction  of  the  above-named  courts,  that  its
property  is  exempt or immune from attachment or  execution
(except  as  protected by applicable law),  that  the  suit,
action  or  proceeding is brought in an inconvenient  forum,
that the venue of the suit, action or proceeding is improper
or  that this Agreement or the subject matter hereof may not
be  enforced  in  or  by such court, and hereby  waives  and
agrees  not  to seek any review by any court  of  any  other
jurisdiction  which  may  be  called  upon   to   grant   an
enforcement of the judgment of any such court.  Each of  the
parties  hereto  hereby consents to service  of  process  by
registered mail at the address to which notices  are  to  be
given.   Each of the parties hereto agrees that its  or  his
submission to jurisdiction and its or his consent to service
of  process by mail is made for the express benefit  of  the
other  parties  hereto.  Final judgment  against  any  party
hereto  in  any  such  action, suit  or  proceeding  may  be
enforced   in  other  jurisdictions  by  suit,   action   or
proceeding on the judgment, or in any other manner  provided
by or pursuant to the laws of such other jurisdiction.



        [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

<PAGE>

     IN WITNESS WHEREOF, the parties hereto have caused this
Registration Rights Agreement to be duly executed as of the
date first set forth above.


THE COMPANY:                       INVESTORS:

HADRON, INC.


By    /S/ C.W. GILLULY             /S/ JON M. STOUT
     -----------------             ----------------------
     C. W. Gilluly,                Jon M. Stout
     Chairman and CEO

                                   /S/ PATRICIA W. STOUT
                                   ----------------------
                                   Patricia W. Stout


                                   Stout Dynastic Trust

                                   /S/ JON M. STOUT
                                   ----------------------
                                   By Jon M. Stout, Trustee

                                   /S/ J. RICHARD KNOP
                                   ----------------------
                                   J. Richard Knop


THE OTHER HOLDERS:

/S/ C.W. GILLULY                        /S/ AMBER GORDON
- -------------------------               ------------------------
C. W. Gilluly                           S. Amber Gordon


/S. JOHN D. SANDERS                     /S/ ROBERT J. LYNCH
- -------------------------               ------------------------
John D. Sanders                         Robert J. Lynch


/S/ GEORGE E. FOWLER                    /S/ DONALD E. JEWELL
- -------------------------              -------------------------
George E. Fowler                        Donald E. Jewell


BOLES KNOP AFFILIATES

/S/ JACK BOLES                          /S/ JEFF RUBIN
- -------------------------              -------------------------
Jack Boles                              Jeff Rubin

/S/ J. RICHARD KNOP                     /S/ JONATHAN CATHERWOOD
- -------------------------              -------------------------
J. Richard Knop                         Jonathan Catherwood

/S/ RICHARD MILLER                      /S/ BOB WRIGHT
- -------------------------              -------------------------
Richard Miller                          Bob Wright

/S/ SUSAN WRIGHT
- -------------------------
Susan Wright




           FIRST MODIFICATION AND EXTENSION AGREEMENT



       THIS FIRST MODIFICATION AND EXTENSION AGREEMENT (this
"Agreement"), effective as of the 12th day of April 2000, is by
and among UNITED BANK, a Virginia banking corporation (the
"Bank"); HADRON, INC., a New York corporation, AVENUE
TECHNOLOGIES, INC., a Virginia corporation, VAIL RESEARCH AND
TECHNOLOGY CORPORATION, a Virginia corporation, SYCOM SERVICES,
INC., a Delaware corporation, and ENGINEERING & INFORMATION
SERVICES, INC., a Virginia corporation (hereinafter individually
and collectively called the "Borrower"); and C.W. GILLULY, MARTHA
ALICE GILLULY and JON M. STOUT (the "Guarantors").

                        WITNESSETH THAT:

       WHEREAS, the Bank is the owner and holder of that certain
Revolving Commercial Note dated June 29, 1999, made by the
Borrower and payable to the order of the Bank, in the original
principal amount of One Million Five Hundred Thousand and no/100
Dollars ($1,500,000.00) and bearing interest and being payable in
accordance with the terms and conditions therein set forth (the
"Note"); and

       WHEREAS, the Note is secured by, and issued pursuant to
the terms of, a certain Loan and Security Agreement dated June
29, 1999, between the Borrower and the Bank (as amended, the
"Loan Agreement"); and

       WHEREAS, as of the effective date hereof, the principal
balance of the Note is $1,076,616.21 and the parties hereto
desire to extend the maturity date of the Note and to modify the
terms thereof and of the Loan Agreement.

       NOW, THEREFORE, for Ten Dollars ($10.00) and other good
and valuable consideration, the receipt and sufficiency of which
are hereby acknowledged, the parties hereto agree as follows:

       1.   The maturity date of the Note is hereby extended to
October 31, 2000.

       2.   The definition of "Date of Maturity" in the Note and
the Loan Agreement is hereby changed to "October 31, 2000".

       3.   Contemporaneously with the execution and delivery of
this Agreement, Hadron, Inc., a Borrower, and C.W. Gilluly, one
of the Guarantors, shall execute and deliver to the Bank a
subordination agreement subordinating payment of a certain
$430,000 Note dated February 15, 2000, made by Hadron, Inc. to
the order of C.W. Gilluly, the outstanding principal balance on
the date hereof being $230,000.000, upon terms satisfactory to
the Bank.

       4.   The Borrower and the Guarantors hereby acknowledge
and agree that, as of the effective date hereof, the unpaid
principal balance of the Note is $1,076,616.21 and that there are
no set-offs or defenses against the Note or the Loan Agreement.

       5.   The Guarantors join in this Agreement for the purpose
of signifying their consent hereto and acknowledge and agree that
there are no set-offs or defenses against their guaranties and
that their guaranties of the Note shall apply to the Note as
extended hereby.

       6.   The parties to this Agreement do not intend that this
Agreement be construed as a novation of the Note or the Loan
Agreement.

       7.   Except as hereby expressly extended and modified, the
Note and Loan Agreement shall otherwise be unchanged, shall
remain in full force and effect, and are hereby expressly
approved, ratified and confirmed.  A legend shall be placed on
the face of the Note indicating that its terms have been modified
hereby, and the original of this Agreement shall be affixed to
the original of the Note.

       8.   This Agreement shall be governed in all respects by
the laws of the Commonwealth of Virginia and shall be binding
upon and shall inure to the benefit of the parties hereto and
their respective heirs, executors, administrators, personal
representatives, successors and assigns.

WITNESS the following signatures and seals.

                              HADRON, INC.
[SEAL]

                                    /S/ C.W. GILLULY
                              By:  -----------------------
                                   Name:  C.W. Gilluly
                                   Title:  Chairman

                              AVENUE TECHNOLOGIES, INC.          [SEAL]


                                   /S/ S. AMBER GORDON
                              By: -------------------------
                                   Name: S. AMBER GORDON
                                   Title: Corporate Secretary

                              VAIL RESEARCH AND TECHNOLOGY
                               CORPORATION                       [SEAL]

                                  /S/ S. AMBER GORDON
                              By: -------------------------
                                   Name: S. AMBER GORDON
                                   Title: Corporate Secretary
<PAGE>

                              SYCOM SERVICES, INC.               [SEAL]

                                  /S/ S. AMBER GORDON
                              By: ------------------------
                                   Name: S. AMBER GORDON
                                   Title: Corporate Secretary



                              ENGINEERING & INFORMATION SERVICES,
                              INC.                               [SEAL]

                                   /S/ S. AMBER GORDON
                              By:  -----------------------
                                   Name: S. AMBER GORDON
                                   Title: Corporate Secretary


                                   /S/ C.W. GILLULY
                              -----------------------             [SEAL]
                              C.W. GILLULY

                                  /S/ MARTHA ALICE GILLULY
                              -----------------------             [SEAL]
                              MARTHA ALICE GILLULY


                                  /S/ JON M. STOUT
                              -----------------------             [SEAL]
                              JON M. STOUT


                              UNITED BANK                         [SEAL]

                                  /S/ LOUISE M. WAGER
                              By: -----------------------
                                  Louise M. Wager, Vice President

<PAGE>


                      AMENDED AND RESTATED
                      GUARANTY OF PAYMENT

          To induce UNITED BANK, Vienna, Virginia (the "Bank") to
continue to extend credit and other financial accommodations to
HADRON, INC., a New York corporation, AVENUE TECHNOLOGIES, INC.,
a Virginia corporation, VAIL RESEARCH AND TECHNOLOGY CORPORATION,
a Virginia corporation,  SYCOM SERVICES, INC., a Delaware
corporation, and ENGINEERING & INFORMATION SERVICES, INC., a
Virginia corporation (hereinafter individually and collectively
called the "Debtor"), and to forbear in the exercise of its
rights against the Debtor, and for other good and valuable
consideration, the receipt and sufficiency of which are hereby
acknowledged, each of the undersigned jointly and severally
(hereinafter individually and collectively called the
"Guarantors"), hereby unconditionally guaranty to the Bank the
full and prompt payment at maturity, including accelerated or
extended maturity, of all Obligations, as hereinafter defined, of
the Debtor to the Bank; provided, however, that the Guarantors'
liability on the Obligations shall not exceed the lesser of (i)
50% of the principal amount thereof from time to time
outstanding, plus interest thereon and fees associated therewith,
and (ii)  $750,000 of the principal amount thereof from time to
time outstanding, plus interest thereon and fees associated
therewith.  A reduction in the amount of the Obligations shall
not reduce, pro rata or pro tanto, the Guarantors' obligation
under this Guaranty except to the extent of payments by the
Guarantor in satisfaction of the Guarantors' obligation
hereunder.  The term "Obligations" means all indebtedness,
obligations and liabilities of the Debtor to the Bank now
existing or hereafter created or arising, whether direct or
indirect, absolute or contingent, joint or several, secured or
unsecured, liquidated or unliquidated, and evidenced by (i) that
certain Commercial Note dated June 29, 1999 from the Debtor
payable to the order of the Bank in the original amount of
$1,500,000.00, (ii) that certain Revolving Commercial Note dated
June 29, 1999 from the Debtor payable to the order of the Bank in
the original amount of $1,500,000.00, and (iii) renewals,
increases, extensions, and modifications thereof and
substitutions therefor.

          The Bank may at any time and from time to time, without
the consent of or notice to the Guarantors, without incurring
liability to the Guarantors, and without affecting, impairing or
releasing the obligations of the Guarantors hereunder, renew,
extend, change the manner, time, place, and terms of payment,
grant indulgences in connection with, settle, compromise, sell,
exchange, substitute, release, surrender, subordinate, or
exercise or refrain from exercising any rights with respect to,
any of the Obligations, any security therefor, the obligation of
any of the Guarantors hereunder or any other party primarily or
secondarily liable for any of the Obligations.

          The liability of the Guarantors shall not be affected,
impaired or released by (i) any failure, neglect or omission by
the Bank to realize upon or collect any of the Obligations, any
obligation hereunder, or any security for or guaranty of the
Obligations or any obligation hereunder, or to exercise any
remedies of setoff or otherwise that it may have with respect to
property of the Debtor possessed by the Bank, (ii) any defense
the Debtor or any other party primarily or secondarily liable for
any of the Obligations might have to the payment of the
Obligations, (iii) any determination that any lien taken, or
attempted to be taken, by the Bank to secure the Obligations is
invalid or unperfected, (iv) any determination that any party
executing any evidence of any of the Obligations on behalf of the
Debtor was without power or authority to do so or that for any
other reason the Obligations, any security therefor, or any other
guaranty thereof, are invalid or unenforceable, or (v) any
defenses the Debtor may have or assert to the Obligations.  It is
understood that nothing shall discharge or satisfy the
Guarantors' liability hereunder except the full performance and
payment of all Obligations with interest and expenses, or the
Bank's written release of the Guarantors' liability.

          The Guarantors' liability hereunder shall not be
affected, impaired or released by the filing of a petition by or
against the Debtor under the provisions of any bankruptcy,
reorganization, arrangement, insolvency, liquidation or similar
law for relief of debtors, and upon the filing of such petition,
for the purpose of this Guaranty, all Obligations, at the option
of the Bank, shall be immediately due and payable.

          The Guarantors represent and covenant that they are and
shall remain independently informed of the financial condition of
the Debtor and all other circumstances which bear on the risk of
non-payment of the Obligations.  The Guarantors waive any right
to require the Bank to disclose to them any information the Bank
has or may have in the future concerning such condition or
circumstances.

          The Guarantors subordinate all obligations of the
Debtor owing to them or any of them, whether now existing or
hereafter arising, to all Obligations of the Debtor to the Bank.

          The Guarantors unconditionally waive any right they may
have to be subrogated to the rights of the Bank against the
Debtor with respect to any payment by the Guarantors hereunder,
and further unconditionally waive any right they may have of
reimbursement or indemnification from the Debtor with respect to
any such payment.

          If at any time any payment by the Debtor of any
Obligation is rescinded or must otherwise be restored or returned
upon the insolvency, bankruptcy, dissolution, liquidation or
reorganization of the Debtor or upon or as a result of the
appointment of a receiver, intervener or conservator of, or
trustee or similar officer for, the Debtor or any substantial
part of its property or otherwise, the Guarantors' obligations
hereunder with respect to such payment shall be reinstated as
though such payment had been due but not made at such time.

          The Guarantors waive (i) notice of acceptance of this
Guaranty, (ii) notice of the existence or creation of the
Obligations, (iii) presentment and demand for payment of any of
the Obligations, (iv) protest and notice of dishonor and protest
and any other notice to the Guarantors or to any other party with
respect to the Obligations, and (v) the benefit of their
homestead exemptions and any other exemptions with respect to the
Obligations.

          This is a guaranty of payment and not of collection.
The Guarantors waive any right, including without limitation any
right arising from Section 49-25 or 49-26 of the Code of
Virginia, to require that the Bank bring action against the
Debtor or any other party or to require that the Bank resort to
any security or to any balance of any deposit account or credit
on the books of the Bank in favor of Debtor or any other party.

          All payments, whether voluntary or involuntary,
received by the Bank from the Debtor, Guarantors, or any other
source, including amounts realized from security and deposit
account balances, may be applied by the Bank to any of the
Obligations, or any other obligations of the Guarantors or any
other obligor, in whatever order the Bank elects.

          The Bank may, without notice to or consent of the
Guarantors, assign or transfer all or any part of the Obliga
tions, and this Guaranty will inure to the benefit of the Bank's
assignee or transferee to the extent of such assignment or trans
fer; provided, however, that the Bank shall continue to have an
unimpaired right, superior to that of any such assignee or trans
feree, to enforce this Guaranty as to that part of the Obliga
tions the Bank has not assigned or transferred.

          The Bank will have the right, in addition to any
remedies permitted by law (including, without limitation, other
rights of set-off), to set off the amount now or hereafter due
under this Guaranty against any and all accounts, credits, money,
securities, or other property now or hereafter on deposit with,
held by, or in possession of the Bank to the credit of or for the
account of each of the Guarantors, without notice to or consent
by the Guarantors.  In addition to the right of set-off, to
secure the payment of their obligations under this Guaranty, each
of the Guarantors hereby assigns and grants to the Bank a
security interest in all accounts, credit, money, securities, or
other property now or hereafter on deposit with, held by, or in
the possession of the Bank to the credit of or for the account of
such Guarantor.

          The Guarantors shall pay to the Bank on demand all
costs incurred by the Bank, and reasonable attorneys' fees, in
the collection or enforcement of this Guaranty, whether or not
suit is brought.

          The Guarantors agree to furnish the Bank, in form
acceptable to the Bank, (i) a signed, current personal financial
statement and personal federal income tax return annually, within
30 days after the filing of the latter, and (ii) such other
financial information and data as the Bank may from time to time
request.

          THE GUARANTORS IRREVOCABLY AND UNCONDITIONALLY WAIVE
ANY RIGHT THEY MAY HAVE TO TRIAL BY JURY IN ANY SUIT, ACTION,
PROCEEDING, OR COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS
GUARANTY, WHETHER SUCH SUIT, ACTION, PROCEEDING, OR COUNTERCLAIM
IS INSTITUTED BY THE BANK, THE GUARANTORS OR ANY OTHER PARTY.

          The Guarantors irrevocably (i) submit to the juris
diction of any Virginia state court or federal court sitting in
the state of Virginia with respect to any suit, action, or
proceeding relating to this Guaranty, (ii) waive any objection
which the Guarantors may now or hereafter have to the laying of
venue of any such suit, action, or proceeding brought in any such
court and any claim that any such suit, action or proceeding
brought in any such court has been brought in an inconvenient
forum, (iii) waive the right to object that any such court does
not have jurisdiction over the Guarantors, and (iv) consent to
the service of process in any such suit, action, or proceeding by
the mailing of copies of such process to the Guarantors by
certified mail at the Guarantors' addresses indicated in this
Guaranty or at such other addresses of which the Bank shall have
received notice.  Nothing in this paragraph shall affect the
Bank's right to serve process in any other manner permitted by
law or to bring proceedings against the Guarantors in any other
court having jurisdiction.

          The rights and remedies of the Bank under this Guaranty
and applicable law shall be cumulative and concurrent and the
exercise of any one or more of them shall not preclude the simul
taneous or later exercise by the Bank of any or all such other
rights or remedies.  In the event any provision of this Guaranty
is held to be invalid, illegal, or unenforceable for any reason,
then such provision only shall be deemed null and void and shall
not affect any other provisions of this Guaranty, which shall
remain effective.  No modification or waiver of any provision of
this Guaranty shall be effective unless it is in writing and
signed by the Bank, and any such waiver shall be effective only
in the specific instance and for the specific purpose for which
it is given.  The failure of the Bank to exercise any option,
right or remedy, in any one or more instances, or the acceptance
by the Bank of partial payments or partial performance, shall not
constitute a waiver of the right to exercise any option, right or
remedy at any time.  The nouns, pronouns and verbs used in this
Guaranty shall be construed as being of such number and gender as
the context may require.

          This Guaranty is an amendment and restatement of that
certain Guaranty of Payment dated June 29, 1999 from the
Guarantors to the Bank (the "Previous Guaranty").  The Guarantors
acknowledge and agree that there are no setoffs or defenses to
the Previous Guaranty and that this Guaranty is not intended as a
novation of the Previous Guaranty.

          This Guaranty shall be governed by and construed in
accordance with the laws of Virginia.


              [Signatures appear on following page]
<PAGE>

          Witness the following signatures and seals this 12th
day of April 2000.

                                 /S/ C.W. GILLULY
                                 -----------------------   [SEAL]
                                   C.W. GILLULY
                                   SS #: ###-##-####
Address:  415 First Street, S.E.
          Washington, D.C. 20003-1827

                                 /S/ MARTHA ALICE GILLULY
                                 -----------------------   [SEAL]
                                   MARTHA ALICE GILLULY
                                   SS #: ###-##-####


COUNTY/CITY OF FAIRFAX
STATE OF VIRGINIA

               The foregoing instrument was acknowledged before
me this 12TH day of APRIL 2000, by C.W. Gilluly
and Martha Alice Gilluly.




                                   /S/ CARIDAD C. MILLER
                                   -----------------------------------
                                   Notary Public

My Commission expires: 12-31-02



                      GUARANTY OF PAYMENT


          To induce UNITED BANK, Vienna, Virginia (the "Bank") to
continue to extend credit and other financial accommodations to
HADRON, INC., a New York corporation, AVENUE TECHNOLOGIES, INC.,
a Virginia corporation, VAIL RESEARCH AND TECHNOLOGY CORPORATION,
a Virginia corporation,  SYCOM SERVICES, INC., a Delaware
corporation, and ENGINEERING & INFORMATION SERVICES, INC., a
Virginia corporation (hereinafter individually and collectively
called the "Debtor"), and to forbear in the exercise of its
rights against the Debtor, and for other good and valuable
consideration, the receipt and sufficiency of which are hereby
acknowledged, the undersigned (the "Guarantor") hereby
unconditionally guarantees to the Bank the full and prompt
payment at maturity, including accelerated or extended maturity,
of all Obligations, as hereinafter defined, of the Debtor to the
Bank; provided, however, that the Guarantor's liability on the
Obligations shall not exceed the lesser of (i) 50% of the
principal amount thereof from time to time outstanding, plus
interest thereon and fees associated therewith, and (ii) $750,000
of the principal amount thereof from time to time outstanding,
plus interest thereon and fees associated therewith.  A reduction
in the amount of the Obligations shall not reduce, pro rata or
pro tanto, the Guarantor's obligation under this Guaranty except
to the extent of payments by the Guarantor in satisfaction of the
Guarantor's obligation hereunder.  The term "Obligations" means
all indebtedness, obligations and liabilities of the Debtor to
the Bank now existing or hereafter created or arising, whether
direct or indirect, absolute or contingent, joint or several,
secured or unsecured, liquidated or unliquidated, and evidenced
by (i) that certain Commercial Note dated June 29, 1999 from the
Debtor payable to the order of the Bank in the original amount of
$1,500,000.00, (ii) that certain Revolving Commercial Note dated
June 29, 1999 from the Debtor payable to the order of the Bank in
the original amount of $1,500,000.00, and (iii) renewals,
increases, extensions, and modifications thereof and
substitutions therefor.

          The Bank may at any time and from time to time, without
the consent of or notice to the Guarantor, without incurring
liability to the Guarantor, and without affecting, impairing or
releasing the obligations of the Guarantor hereunder, renew,
extend, change the manner, time, place, and terms of payment,
grant indulgences in connection with, settle, compromise, sell,
exchange, substitute, release, surrender, subordinate, or
exercise or refrain from exercising any rights with respect to,
any of the Obligations, any security therefor, the obligation of
the Guarantor hereunder or any other party primarily or
secondarily liable for any of the Obligations.

          The liability of the Guarantor shall not be affected,
impaired or released by (i) any failure, neglect or omission by
the Bank to realize upon or collect any of the Obligations, any
obligation hereunder, or any security for or guaranty of the
Obligations or any obligation hereunder, or to exercise any
remedies of setoff or otherwise that it may have with respect to
property of the Debtor possessed by the Bank, (ii) any defense
the Debtor or any other party primarily or secondarily liable for
any of the Obligations might have to the payment of the
Obligations, (iii) any determination that any lien taken, or
attempted to be taken, by the Bank to secure the Obligations is
invalid or unperfected, (iv) any determination that any party
executing any evidence of any of the Obligations on behalf of the
Debtor was without power or authority to do so or that for any
other reason the Obligations, any security therefor, or any other
guaranty thereof, are invalid or unenforceable, or (v) any
defenses the Debtor may have or assert to the Obligations.  It is
understood that nothing shall discharge or satisfy the
Guarantor's liability hereunder except the full performance and
payment of all Obligations with interest and expenses, or the
Bank's written release of the Guarantor's liability.

          The Guarantor's liability hereunder shall not be
affected, impaired or released by the filing of a petition by or
against the Debtor under the provisions of any bankruptcy,
reorganization, arrangement, insolvency, liquidation or similar
law for relief of debtors, and upon the filing of such petition,
for the purpose of this Guaranty, all Obligations, at the option
of the Bank, shall be immediately due and payable.

          The Guarantor represents and covenants that he is and
shall remain independently informed of the financial condition of
the Debtor and all other circumstances which bear on the risk of
non-payment of the Obligations.  The Guarantor waives any right
to require the Bank to disclose to him any information the Bank
has or may have in the future concerning such condition or
circumstances.

          The Guarantor subordinates all obligations of the
Debtor owing to him, whether now existing or hereafter arising,
to all Obligations of the Debtor to the Bank.

          The Guarantor unconditionally waives any right he may
have to be subrogated to the rights of the Bank against the
Debtor with respect to any payment by the Guarantor hereunder,
and further unconditionally waives any right he may have of
reimbursement or indemnification from the Debtor with respect to
any such payment.

          If at any time any payment by the Debtor of any
Obligation is rescinded or must otherwise be restored or returned
upon the insolvency, bankruptcy, dissolution, liquidation or
reorganization of the Debtor or upon or as a result of the
appointment of a receiver, intervener or conservator of, or
trustee or similar officer for, the Debtor or any substantial
part of its property or otherwise, the Guarantor's obligations
hereunder with respect to such payment shall be reinstated as
though such payment had been due but not made at such time.

          The Guarantor waives (i) notice of acceptance of this
Guaranty, (ii) notice of the existence or creation of the
Obligations, (iii) presentment and demand for payment of any of
the Obligations, (iv) protest and notice of dishonor and protest
and any other notice to the Guarantor or to any other party with
respect to the Obligations, and (v) the benefit of his homestead
exemption and any other exemptions with respect to the
Obligations.

          This is a guaranty of payment and not of collection.
The Guarantor waives any right, including without limitation any
right arising from Section 49-25 or 49-26 of the Code of
Virginia, to require that the Bank bring action against the
Debtor or any other party or to require that the Bank resort to
any security or to any balance of any deposit account or credit
on the books of the Bank in favor of Debtor or any other party.

          All payments, whether voluntary or involuntary,
received by the Bank from the Debtor, Guarantor, or any other
source, including amounts realized from security and deposit
account balances, may be applied by the Bank to any of the
Obligations, or any other obligations of the Guarantors or any
other obligor, in whatever order the Bank elects.

          The Bank may, without notice to or consent of the
Guarantor, assign or transfer all or any part of the Obligations,
and this Guaranty will inure to the benefit of the Bank's
assignee or transferee to the extent of such assignment or trans
fer; provided, however, that the Bank shall continue to have an
unimpaired right, superior to that of any such assignee or trans
feree, to enforce this Guaranty as to that part of the Obliga
tions the Bank has not assigned or transferred.

          The Bank will have the right, in addition to any
remedies permitted by law (including, without limitation, other
rights of set-off), to set off the amount now or hereafter due
under this Guaranty against any and all accounts, credits, money,
securities, or other property now or hereafter on deposit with,
held by, or in possession of the Bank to the credit of or for the
account of the Guarantor, without notice to or consent by the
Guarantor.  In addition to the right of set-off, to secure the
payment of his obligations under this Guaranty, the Guarantor
hereby assigns and grants to the Bank a security interest in all
accounts, credit, money, securities, or other property now or
hereafter on deposit with, held by, or in the possession of the
Bank to the credit of or for the account of the Guarantor.

          The Guarantor shall pay to the Bank on demand all costs
incurred by the Bank, and reasonable attorneys' fees, in the
collection or enforcement of this Guaranty, whether or not suit
is brought.

          The Guarantor agrees to furnish the Bank, in form
acceptable to the Bank, (i) a signed, current personal financial
statement and personal federal income tax return annually, within
30 days after the filing of the latter, and (ii) such other
financial information and data as the Bank may from time to time
request.

          THE GUARANTOR IRREVOCABLY AND UNCONDITIONALLY WAIVES
ANY RIGHT HE MAY HAVE TO TRIAL BY JURY IN ANY SUIT, ACTION,
PROCEEDING, OR COUNTERCLAIM ARISING OUT OF OR RELATING TO THIS
GUARANTY, WHETHER SUCH SUIT, ACTION, PROCEEDING, OR COUNTERCLAIM
IS INSTITUTED BY THE BANK, THE GUARANTOR OR ANY OTHER PARTY.

          The Guarantor irrevocably (i) submits to the juris
diction of any Virginia state court or federal court sitting in
the state of Virginia with respect to any suit, action, or
proceeding relating to this Guaranty, (ii) waive any objection
which the Guarantor may now or hereafter have to the laying of
venue of any such suit, action, or proceeding brought in any such
court and any claim that any such suit, action or proceeding
brought in any such court has been brought in an inconvenient
forum, (iii) waives the right to object that any such court does
not have jurisdiction over the Guarantor, and (iv) consents to
the service of process in any such suit, action, or proceeding by
the mailing of copies of such process to the Guarantor by
certified mail at the Guarantor's address indicated in this
Guaranty or at such other address of which the Bank shall have
received notice.  Nothing in this paragraph shall affect the
Bank's right to serve process in any other manner permitted by
law or to bring proceedings against the Guarantor in any other
court having jurisdiction.

          The rights and remedies of the Bank under this Guaranty
and applicable law shall be cumulative and concurrent and the
exercise of any one or more of them shall not preclude the simul
taneous or later exercise by the Bank of any or all such other
rights or remedies.  In the event any provision of this Guaranty
is held to be invalid, illegal, or unenforceable for any reason,
then such provision only shall be deemed null and void and shall
not affect any other provisions of this Guaranty, which shall
remain effective.  No modification or waiver of any provision of
this Guaranty shall be effective unless it is in writing and
signed by the Bank, and any such waiver shall be effective only
in the specific instance and for the specific purpose for which
it is given.  The failure of the Bank to exercise any option,
right or remedy, in any one or more instances, or the acceptance
by the Bank of partial payments or partial performance, shall not
constitute a waiver of the right to exercise any option, right or
remedy at any time.  The nouns, pronouns and verbs used in this
Guaranty shall be construed as being of such number and gender as
the context may require.

          This Guaranty shall be governed by and construed in
accordance with the laws of Virginia.


              [Signatures appear on following page]


          Witness the following signature and seal this 12th day
of April 2000.


                                   /S/ JON M. STOUT
                                   -------------------------- [SEAL]
                                   JON M. STOUT
                                   SS #: _____________________
                                   Address: ________________________
                                   _________________________________



COUNTY/CITY OF FAIRFAX
STATE OF VIRGINIA

               The foregoing instrument was acknowledged before
me this 12TH day of APRIL 2000, by Jon M. Stout.




                                   /S/ CARIDAD C. MILLER
                                   _____________________________________
                                   Notary Public

My Commission expires: 12-31-02


                    SUBORDINATION AGREEMENT

     This Subordination Agreement (as amended or supplemented
from time to time, this "Agreement") is made and entered into as
of the 12th day of April 2000 by and among C.W. GILLULY (the
"Junior Creditor"), UNITED BANK, a Virginia banking corporation
(the "Bank"), and HADRON, INC., a New York corporation (the
"Debtor").

     1.   To induce the Bank to extend or continue credit and
other financial accommodations to the Debtor and for other good
and valuable consideration, the receipt and sufficiency of which
are hereby acknowledged, the Junior Creditor hereby subordinates
the payment of all loans, advances, liabilities and indebtedness
owed by the Debtor to the Junior Creditor under that certain
$430,000.00 Note dated February 15, 2000, from the Debtor in
favor of the Junior Creditor, whether now owed or hereafter
arising, whether direct or indirect, absolute or contingent,
joint or several, secured or unsecured, liquidated or
unliquidated, and however owned, held or acquired by the Junior
Creditor, whether by assignment, discount, direct loan, purchase,
as a matter of law, or otherwise, and however evidenced, whether
by note, book entry or otherwise, whether for principal, interest
(except as provided in paragraph 4 below), fees, expenses or
otherwise, and all renewals, extensions, and modifications
thereof and substitutions therefor (the "Subordinated Debt") to
the payment in full of all loans, advances, liabilities and
indebtedness owed by the Debtor to the Bank, whether now owed or
hereafter arising, whether direct or indirect, absolute or
contingent, joint or several, secured or unsecured, liquidated or
unliquidated, and however owned, held or acquired by the Bank,
whether by assignment, discount, direct loan, overdraft,
purchase, as a matter of law, or otherwise, and however
evidenced, whether by note, check, book entry or otherwise,
whether for principal, interest, fees, expenses or otherwise, and
all renewals, extensions, and modifications thereof and
substitutions therefor (the "Senior Debt").  The Junior Creditor
further agrees that any lien, encumbrance or other security for
the payment of the Subordinated Debt, whether now existing or
hereafter arising, is and shall be expressly subordinated to any
lien, encumbrance or other security for the payment of the Senior
Debt.

     Nothing herein shall be construed as preventing the payment
of $200,000 to the Junior Creditor by the Debtor as contemplated
by that certain Securities Purchase Agreement dated March 30,
2000, and the Bank hereby consents to such payment.

     Notwithstanding the provisions of this paragraph 1, if (i)
no Default (as defined in the Loan and Security Agreement) has
occurred under any instrument or agreement evidencing or securing
the Senior Debt and is then continuing, (ii) the "Working
Capital" covenant set forth in Section VI(A)(4) of the Loan and
Security Agreement (defined below) (as modified pursuant to a
certain letter dated April 12, 2000, from the Bank to the Debtor)
would not be violated as a result thereof, (iii) the Debtor is
then in compliance with the covenant described in Section
VI(A)(2) of the Loan and Security Agreement (defined below)
(notwithstanding the waiver of the requirements of said sections
pursuant to a certain letter dated April 12, 2000, from the Bank
to the Debtor), and (iv) the "Adjusted Net Worth" covenant set
forth in Section VI(A)(5) of the Loan and Security Agreement
(defined below) (as modified pursuant to a certain letter dated
April 12, 2000, from the Bank to the Debtor) would not be
violated as a result thereof, then payments on the Subordinated
Debt may be received, accepted and retained by the Junior
Creditor.  As used herein, the "Loan and Security Agreement"
means that certain Loan and Security Agreement dated June 29,
1999 between the Debtor (and related entities) and the Bank, all
instruments and agreements executed and delivered to the Bank in
connection therewith, and all extensions, modifications,
supplements to, and replacements of, any of the foregoing.

     2.   The Junior Creditor agrees that until the Senior Debt
is paid in full it will not (i) except as expressly permitted by
this Agreement, ask, demand, sue for take or receive from the
Debtor directly or indirectly, in cash, securities or other
property or by set-off or in any other manner (including, without
limitation, from or by way of collateral), payment of all or any
part of the Subordinated Debt, or (ii) commence or join with
other creditors in commencing any bankruptcy, reorganization,
receivership or insolvency proceeding against the Debtor.

     3.   In the event of (i) any insolvency or bankruptcy case
or proceeding or any receivership, liquidation, reorganization or
similar case or proceeding in connection therewith relative to
the Debtor or its creditors as such or to its assets, (ii) any
liquidation, dissolution or other winding up of the Debtor
whether voluntary or involuntary and whether or not involving
insolvency or bankruptcy, or (iii) any assignment for the benefit
of creditors or other marshalling of assets and liabilities of
the Debtor then and in any such event the Bank shall be entitled
to receive payment in full in cash or cash equivalents of all
amounts due or to become due on or in respect of all Senior Debt
before the Junior Creditor shall be entitled to receive and
retain any payment on account of the principal, interest or other
amounts due or to become due on the Subordinated Debt, and to
that end the Bank shall be entitled to receive, for application
to the payment of the Senior Debt, any payment or distribution of
any kind or character whether in cash, securities, or other
property, which may be payable or deliverable in respect of the
Subordinated Debt in any such case, proceeding, dissolution,
liquidation or other winding up or event.  Accordingly, any
payment or distribution of assets of the Debtor of any kind or
character whether in cash, securities, or other property, which
would otherwise have been made to the Junior Creditor but for the
provisions of this paragraph shall instead be made by the Debtor
or by the trustee in bankruptcy, receiver liquidating trustee,
custodian, assignee, agent or other person making payment or
distribution of assets of the Debtor directly to the Bank for
application to the payment of all Senior Debt remaining unpaid to
the extent necessary to pay all Senior Debt in full in cash or
cash equivalents after giving effect to any concurrent payment or
distribution to or for the benefit of the Bank.  The Junior
Creditor irrevocably authorizes and empowers the Bank to (i)
demand, sue for collect and receive every such payment or
distribution and give acquittance therefor (ii) file claims and
take such other actions, in the Bank's own name or in the name of
the Junior Creditor or otherwise, as the Bank may deem necessary
or advisable for the enforcement of this Agreement, and (iii)
vote the full amount of the Junior Creditor's claims in any
receivership, insolvency or bankruptcy proceeding in the Junior
Creditor's place and stead.  The Junior Creditor further
irrevocably appoints the Bank its true and lawful attorney-in-
fact for the purposes specified herein, with full power of
substitution, and such power shall be a power coupled with an
interest.  The Junior Creditor further agrees to execute and
deliver to the Bank such powers of attorney, assignments or other
instruments as may be requested by the Bank in order to enable
the Bank to enforce any and all claims upon or with respect to
any or all of the Subordinated Debt and to collect and receive
any and all payments or distributions which may be payable or
deliverable at any time upon or with respect to any of the
Subordinated Debt.

     4.   If, other than as permitted in this Agreement, the
Junior Creditor shall have received any payment or distribution
of assets of the Debtor of any kind or character whether in cash,
securities, or other property, before all amounts due or to
become due on or in respect of all Senior Debt have been paid in
full in cash or cash equivalents, then and in such event such
payment or distribution shall be received in trust for the Bank
and shall be forthwith paid over or delivered by the Junior
Creditor receiving the same directly to the Bank or to the extent
legally required, to the trustee in bankruptcy, receiver
liquidating trustee, custodian, assignee, agent or other person
making such payment or distribution of assets of the Debtor for
application to the payment of all Senior Debt remaining unpaid to
the extent necessary to pay all Senior Debt in full after giving
effect to any concurrent payment or distribution to or for the
Bank.

     5.   The Junior Creditor agrees that until the Senior Debt
is paid in full it will not (i) subordinate any part of the
Subordinated Debt to any indebtedness owed to any person other
than the Bank, or (ii) assign, transfer or pledge all or any part
of the Subordinated Debt unless such assignment, transfer or
pledge is made expressly subject to this Agreement. The Junior
Creditor agrees to mark any notes or other evidence of the
Subordinated Debt with a legend to the effect that payment of
such instrument is subordinated to payment of the Senior Debt.

     6.   The Junior Creditor represents and warrants that the
Junior Creditor is the lawful owner of the Subordinated Debt and
no part thereof is subject to any defense, offset or
counterclaim, and, except as disclosed in writing to the Bank
prior to the execution of this Agreement, (i) the Subordinated
Debt has not previously been subordinated to the indebtedness or
claims of any other party, (ii) no part of the subordinated Debt
is secured by property of the Debtor, and (iii) no part of the
subordinated Debt has been assigned, transferred or pledged to
any other party.

     7.   The Bank may at any time, and from time to time,
without the consent of or notice to the Junior Creditor, without
incurring responsibility to the Junior Creditor, and without
impairing or releasing any of the Bank's rights, or any of the
obligations of the Junior Creditor hereunder (i) change the time,
amount, manner, place or terms of payment, or change or extend
the time of payment of, or renew or otherwise alter, any
instrument or agreement evidencing any Senior Debt (whether or
not in a commercially reasonable manner), (iii) release anyone
liable in any manner for the payment or collection of any Senior
Debt, (iv) exercise or refrain from exercising any rights against
the Debtor or others (including the Junior Creditor), (v) apply
any sums received by the Bank by whomsoever paid and however
realized, to the payment of the Senior Debt in such manner as the
Bank, in its sole discretion, shall deem appropriate, and (vi)
take any other action which might otherwise constitute a defense
available to, or a discharge of, the Junior Creditor in respect
of the Subordinated Debt in respect of these provisions.

     8.   The terms of this Agreement shall continue to be
effective or be reinstated, as the case may be, if at any time
any payment of any of the Senior Debt is rescinded or must
otherwise be returned by the Bank upon the insolvency, bankruptcy
or reorganization of the Debtor or otherwise, all as though such
payment had been due but not made at such time.

     9.   No failure or delay by the Bank in exercising any
right, power or privilege hereunder shall operate as a waiver
thereof nor shall any single or partial exercise thereof preclude
any other or further exercise thereof or the exercise of any
other right, power or privilege.  The rights and remedies herein
provided shall be cumulative and not exclusive of any rights or
remedies provided by law.

     10.  Any provision of this Agreement may be amended or
waived if, but only if, such amendment or waiver is in writing
and is signed by the Bank, the Junior Creditor and the Debtor.

     11.  Subject to paragraph 6, the provisions of this
Agreement shall be binding upon and inure to the benefit of the
parties hereto and their respective successors and assigns.  Any
reference herein to the Bank and the Junior Creditor shall
include any holder of the Senior Debt and Subordinated Debt,
respectively, as applicable.

     12.  This Agreement shall be governed by and construed in
accordance with the laws of the Commonwealth of Virginia.

     WITNESS the following signatures and seals.

                              Junior Creditor:
415 First Street, S.E.
Washington, D.C.  20003-1827



                                   /S/ C.W. GILLULY
                                   --------------------  [SEAL]
                                   C.W. GILLULY



                              Debtor:

                                   HADRON, INC           [SEAL]

5904 Richmond Highway, Suite 300
Alexandria, Virginia  22303


                                   /S/   S. AMBER GORDON
                                   By: ----------------------
                                        Name: S. AMBER GORDON
                                        Title: Executive Vice President


<PAGE>
                              Bank:

                                   UNITED BANK           [SEAL]

2071 Chain Bridge Road
Vienna, Virginia  22182

                                        /S/ LOUISE M. WAGER
                                   By:---------------------------
                                        Louise M. Wager,
                                        Vice President



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