COMPTEK RESEARCH INC/NY
10-Q, 1999-02-08
COMPUTER PROGRAMMING SERVICES
Previous: NEW ECONOMY FUND, N-30D, 1999-02-08
Next: MARKET GUIDE INC, 8-K, 1999-02-08




               SECURITIES AND EXCHANGE COMMISSION
                         WASHINGTON, DC

                           FORM 10-Q


(Mark One)
[x]  QUARTERLY  REPORT PURSUANT TO SECTION 13  OR  15(d)  OF  THE
     SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended December 25, 1998.

                               OR

[ ]  TRANSITION  REPORT PURSUANT TO SECTION 13 OR  15(d)  OF  THE
     SECURITIES EXCHANGE ACT OF 1934

For the transition period from _______________to_________________


                    Commission file number   1-8502
                                            -----------

                         Comptek Research, Inc.
- -----------------------------------------------------------------
     (Exact name of registrant as specified in its charter)


       New York                               16-0959023
- ----------------------------         ----------------------------
(State or other jurisdiction             (I.R.S.Employee
of incorporation or organization)         Identification No.)



2732 Transit Road, Buffalo, New York          14224-2523
- -----------------------------------------------------------------
(Address of principal executive offices)      (Zip Code)


Registrant's telephone number, including area code (716) 677-4070
                                                   --------------
- -

                         Not Applicable
- ----------------------------------------------------------------
(Former  name, former address and former fiscal year, if  changed
since last report.)


Indicate  by check [x] whether the registrant (1) has  filed  all
reports  required  to be filed by Section  13  of  15(d)  of  the
Securities  Exchange Act of 1934 during the preceding  12  months
(or  for such shorter period that the registrant was required  to
file  such  reports),  and (2) has been subject  to  such  filing
requirements for the past 90 days.
                                       Yes    X    No
                                            ------     ------

        Class                    Outstanding at January 31, 1999
- ------------------------         --------------------------------
- -
Common $.02 Par Value                         5,080,855


<PAGE 1>

                     COMPTEK RESEARCH, INC.

                             INDEX




                                                           Page
PART I.     Financial Information                          Number

      Item 1. Financial Statements

      Consolidated Condensed Balance Sheets
      December 25, 1998 and March 31, 1998                    3

      Consolidated Condensed Statements of Operations
      Thirteen and Thirty-Nine Weeks Ended December 25, 1998
      and December 26, 1997                                   4

      Consolidated Condensed Statements of Cash Flows
      Thirty-Nine Weeks Ended December 25, 1998
      and December 26, 1997                                   5

      Consolidated Statement of Changes in Shareholders'
      Equity Thirty-Nine Weeks Ended December 25, 1998        6

      Notes to the Consolidated Condensed Financial
      Statements                                              7

      Independent Accountants' Review Report                  9

      Item 2.  Management's Discussion and Analysis of
      Financial Condition and Results of Operations          10


PART II.    Other Information


      Item 6. Exhibits and Reports on Form 8-K               14
<PAGE 2>
<TABLE>
<CAPTION>

	 COMPTEK RESEARCH, INC. AND SUBSIDIARIES
                    
	  CONSOLIDATED CONDENSED BALANCE SHEETS
        	     (In thousands)
                                                          
                                            December      March 31,
                                               25,          1998
                                              1998
                                                          
                                           (Unaudited)    
                                                          
<S>                                        <C>            <C>
Assets
                                                          
Current assets:                                           
                                                          
Cash and equivalents                            $1,161         $550
                                                          
Receivables                                     24,432       16,050
                                                          
Inventories                                      2,470        1,786
                                                          
Refundable income taxes                            932          ---
                                                          
Other                                              707          311
                                             ---------    ---------
                                                          
       Total current assets                     29,702       18,697
                                                          
                                                                   
                                                          
Equipment and leasehold improvements,            3,856        2,370
  net of accumulated depreciation and
  Amortization of $12,404 at December
  25, 1998 and $8,290 at March 31, 1998
                                                          
                                                                   
                                                          
Goodwill                                        14,620        4,207
                                                          
Other assets                                     1,731          653
                                             ---------    ---------
                                                          
       Total assets                            $49,909      $25,927
                                                          
                                                          
Liabilities and Shareholders' Equity                      
                                                                                                                  
                                                         
Current liabilities:                                      
                                                          
Current installments on long-term debt          $3,527       $1,064
                                                          
Accounts payable                                 3,084        4,288
                                                          
Accrued salaries and benefits                    5,599        3,092
                                                          
Other current liabilities                        1,918        1,854
                                                          
Deferred income taxes                            2,893        1,620
                                             ---------    ---------
                                                          
       Total current liabilities                17,021       11,918
                                             ---------    ---------
                                                          

Deferred income taxes                              352          204
                                                          
Long-term debt, excluding current               18,383        2,558
installments
                                                          
                                                          
Shareholders' equity:                                              
                                                          
Common stock                                       110          110
                                                          
Additional paid-in capital                      16,082       15,776
                                                          
Stock related awards and loans                   (243)        (168)
                                                          
Retained earnings (accumulated deficit)          1,433        (914)
                                            ----------    ---------
                                                          
                                                17,382       14,804
                                                                   
                                                          
Less cost of treasury shares                   (3,229)      (3,557)
                                            ----------    ---------
                                                          
       Total shareholders' equity               14,153       11,247
                                            ----------    ---------
                                                          
                                                                   
                                                          
       Total liabilities and                   $49,909      $25,927
       shareholders' equity                 ==========    =========

See accompanying notes to consolidated condensed financial statements

</TABLE>
<PAGE 3>
<TABLE>
<CAPTION>
              
      		   COMPTEK RESEARCH, INC. AND SUBSIDIARIES
              
	       CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS
			                      (Unaudited)
              
         		 (In thousands, except per share amounts)
              
                                                    
                              Thirteen Weeks         Thirty-Nine Weeks
                                    Ended                 Ended
                                                                
                               Dec.        Dec.       Dec.        Dec.
                                25,        26,        25,         26,
                               1998        1997       1998        1997
                                                                
<S>                           <C>        <C>        <C>         <C>
Net sales                     $24,288     $17,252    $67,991     $52,833
                              -------     -------    -------     -------
                                                                
Operating costs and                                                     
expenses:
                                                                
      Cost of sales            18,561      13,662     51,569      42,315
                                                                
      Selling, general and      3,195       2,179      9,512       6,528
      administrative
                                                                
      Research and                581         225      1,900         591
      development             -------     -------    -------     -------
                                                                
Operating profit                1,951       1,186      5,010       3,399
                                                                
Interest expense, net             453          98      1,099         333
                              -------     -------    -------     -------
                                                                
Income before income taxes      1,498       1,088      3,911       3,066
                                                                
Provision for income taxes        599         424      1,564       1,195
                              -------     -------    -------     -------
                                                                
Net income                       $899        $664     $2,347      $1,871
                              =======     =======    =======     =======
                                                                
Net income per share:                                                   
                                                                
     Basic                     $0.18      $0.13      $0.47       $0.36
                              =======    =======    =======     =======
                                                                
     Diluted                   $0.17      $0.13      $0.45       $0.35
                              =======    =======    =======     =======
                                                                
                                                                        

See accompanying notes to consolidated condensed financial statements
</TABLE>
<PAGE 4>
<TABLE>
<CAPTION>

        	     COMPTEK RESEARCH, INC. AND SUBSIDIARIES
                      
          CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS
             	              (Unaudited)
                      
                           (In thousands)
                                               
                                                Thirty-Nine Weeks
                                                       Ended
                                                            
                                                Dec. 25,    Dec. 26,
                                                  1998        1997
                                                            
<S>                                            <C>          <C>
Cash flows from operating activities:
                                                            
   Net income                                      $2,347      $1,871
                                                 --------    --------
                                                            
   Adjustments to reconcile net income to                            
    net cash provided by operating
    activities:
                                                            
     Depreciation and amortization                  1,702         878
                                                            
     Deferred income taxes                          1,155         637
                                                            
     Other assets                                      35         223
                                                            
     Other non-cash charges                           224         127
                                                            
     Changes in assets and liabilities                               
     providing (using) cash, excluding the
     effects of acquisition:
Receivables                                         (846)         479
Inventories                                         (617)        (799)
                                                            
         Other current assets                       (204)          20
                                                            
         Accounts payable and accrued             (2,099)         221
         liabilities                             --------    --------
                                                            
     Total adjustments                              (650)       1,786
                                                 --------    --------
                                                            
Net cash provided by operating activities          $1,697      $3,657
                                                 --------    --------
                                                            
Cash flows from investing activities:                                
                                                        $            
                                                            
   Expenditures for equipment and leasehold         (747)       (867)
   Improvements
                                                            
   Capitalized software development costs           (442)         ---
                                                            
   Payment from officer on stock purchase              50          50
   loan
                                                            
   Payments pursuant to business acquisition,    (17,946)         ---
   net of cash acquired
Proceeds from sale of marketable securities           428         ---
                                                 --------    --------
                                                            
Net cash used in investing activities           $(18,657)      $(817)
                                                ---------    --------
                                                            
Cash flows from financing activities:                                
                                                            
   Proceeds from (payment of) revolving debt       $3,950    $(1,260)
                                                            
   Proceeds from issuance of long-term debt        15,000         ---
                                                            
   Principal payments on long-term debt           (1,662)       (781)
                                                            
   Purchase of treasury shares                      (398)     (1,369)
                                                            
   Proceeds from sale of treasury shares                             
   under Employee                                     602         ---
   Stock Purchase Plan
Proceeds from issuance of stock under Equity           79         380
Incentive Plan                                  ---------    --------
                                                            
Net cash provided by (used in) financing          $17,571    $(3,030)
activities                                      ---------    --------
                                                            
Net increase (decrease) in cash and                  $611      $(190)
equivalents
                                                            
Cash and equivalents at beginning of year             550         425
                                                ---------    --------
                                                            
Cash and equivalents at end of period              $1,161        $235
                                                =========    ========

See accompanying notes to consolidated condensed financial statements
</TABLE>
<PAGE 5>
<TABLE>
<CAPTION>
            		COMPTEK RESEARCH, INC. AND SUBSIDIARIES
         
   CONSOLIDATED CONDENSED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY
         
           		Thirty-Nine Weeks Ended December 25, 1998
 			                        (Unaudited)
         
			                        (In thousands)
         
         
                                                                  
                                       Stock  Retained                
                              Addi-   Related Earnings                
                             tional   Awards  (Accumu-                
                    Common   Paid-In    and     lated   Treasury      
                     Stock   Capital   Loans  Deficit)    Stock    Total
                                                                  
<S>                 <C>      <C>      <C>     <C>       <C>       <C>
Balance at March                                                          
31, 1998               $110  $15,776   $(168)    $(914)  $(3,557)  $11,247
                                                                  
Net income              ---      ---      ---     2,347       ---    2,347
                                                                  
Sale of common          ---       79      ---       ---       ---       79
stock-under Equity
incentive Plan
                                                                  
Issuance of             ---       39      ---       ---       726      765
treasury shares
                                                                  
Purchase of             ---      ---      ---       ---     (398)    (398)
treasury shares
                                                                  
Payment from            ---      ---       50       ---       ---       50
officer on stock
purchase loan
                                                                  
Stock issued to         ---      188    (125)       ---       ---       63
officer (unearned                                                         
compensation)       _______  _______  _______  ________  ________ _______
                                                                  
Balance at                                                                
December 25, 1998    $  110  $16,082   $(243)    $1,433  $(3,229)  $14,153
                    =======  =======  ========  =======   =======  =======

See accompanying notes to consolidated condensed financial statements
</TABLE>
<PAGE 6>


                 Comptek Research, Inc. and Subsidiaries

           Notes to Consolidated Condensed Financial Statements
     
                               (Unaudited)
     
     1. In  the  opinion  of  Management,  the  accompanying
        unaudited     consolidated    condensed    financial
        statements  contain all adjustments,  consisting  of
        normal  recurring items, necessary to present fairly
        the  financial  position, results of operations  and
        cash  flows  for  the  periods  shown.   It  is  the
        Company?s  policy to end its first  three  quarterly
        accounting  periods  on  the  last  Friday  of  each
        quarter,   which   includes   thirteen   weeks    of
        operations.   The fourth quarter ends on  March  31.
        Except  as  noted  in  Note 8,  the  financial  data
        included herein was compiled in accordance with  the
        same  accounting policies applied to  the  Company?s
        audited annual financial statements, which should be
        read in conjunction with these statements.
     
        The  results of operations for the thirty-nine weeks
        ended   December  25,  1998,  are  not   necessarily
        indicative  of  the results to be expected  for  the
        full year.
   
     2. Inventories consist of (in thousands):
                                  
	                       December   March 31,
	                       25, 1998      1998
                                  
	   Parts                  $2,009      $1,397
                                  
	   Work-in-process           313         172
                                  
	   Finished goods            148         217
	       	               ---------   ---------
                                  
	        Total             $2,470      $1,786
	                       =========   =========
     
     3. Effective May 1, 1998, the Company acquired  all  of
        the  outstanding  shares  of  PRB  Associates,  Inc.
        (PRB),  a  privately-held  corporation  with  annual
        revenues of approximately $30 million.  The purchase
        price  of  $20 million including closing costs,  was
        paid  with  cash of $17,946,000 and the issuance  of
        notes  to  the sellers in the amount of  $1  million
        collectively.  The eighteen-month notes provide  for
        simple  interest at an annual rate  equal  to  5.5%.
        Cash payments were financed through borrowings under
        a revised credit facility.  The acquisition has been
        accounted   for   under  the  purchase   method   of
        accounting  with  assets  acquired  and  liabilities
        assumed  recorded at their estimated fair values  at
        the  date  of acquisition.  The purchase  price  was
        allocated   as  follows:  goodwill  of  $15,089,000,
        $250,000  in not to compete agreements and  $139,700
        of  financing  costs.  The remaining purchase  price
        was  assigned  primarily  to  receivables,  property
        plant  and  equipment  and  current  and  long  term
        liabilities.   Goodwill  will be amortized  over  25
        years.   Additionally,  in   connection   with   the
        continued employment of a key executive of PRB,  the
        Company  awarded  20,000 shares of restricted  stock
        based  upon  a quarterly vesting schedule commencing
        August 1, 1998, with the last vesting date occurring
        on May 1, 2000.  This award is be charged to expense
        over the vesting period.
     
        The combined pro forma results of operations for the
        thirty-nine  weeks  ended  December  25,  1998   and
        December  26, 1997, had the PRB acquisition occurred
        on April 1, 1997, are as follows:
        
                                           
                               Dec. 25,     Dec. 26,
                                   1998         1997
                                           
     Net Sales                  $71,000      $75,329
                              =========    =========
                                           
     Net Income                  $2,360       $2,230
                              =========    =========
                                           
     Earnings per share -          $.47         $.43
     Basic                    =========    =========
                                           
     Earnings per share            $.45         $.42
     -Diluted                 =========    =========
     
     <PAGE 7>
     
     
4. Effective  April  1,  1998, the Company adopted  Statement  of
   Financial    Accounting   Standards   No.   130,    "Reporting
   Comprehensive Income."  This statement requires that companies
   disclose  comprehensive  income, which  includes  net  income,
   foreign  currency  translation  adjustments,  minimum  pension
   liability  adjustments, and unrealized  gains  and  losses  on
   marketable   securities classified as available-for-sale.  For
   the thirty-nine weeks ended December 25, 1998 and December 26,
   1997,  there  were no elements of comprehensive  income  other
   than net income.
   
5. During  the thirty-nine  weeks ended December 25, 1998, 43,482
   common shares of the Company's stock were purchased and placed
   into Treasury stock.  These shares were acquired pursuant to a
   stock  repurchase  plan  approved by the  Company's  Board  of
   Directors.  Also during the thirty-nine weeks, 106,122  common
   shares  were  issued from the Company's treasury shares.   The
   total  number of treasury shares as of  December 25, 1998  was
   417,313.

6. During  the  thirty-nine weeks ended December  25,  1998,  the
   Company  granted  106,528 options under its  Equity  Incentive
   Plans and 15,000 options under its Stock Option Plan for  Non-
   Employee  Directors.  Accordingly, options for 542,390  shares
   were  outstanding under the Equity Incentive Plans and 103,000
   shares  were outstanding under the Stock Option Plan  for  the
   Non-Employee  Directors; including 3,000  options  which  were
   granted  contingent upon approval by Shareholders at the  1999
   Annual Meeting of an increase in the shares eligible for grant
   under  this  plan.  A total of 328,459 shares were exercisable
   under these plans at December 25, 1998.

7. As   discussed  in  note  10  to  the  Company's  Consolidated
   Financial  Statements as of and for the year ended  March  31,
   1998, the Company holds 249,000 common shares of ARIA Wireless
   Systems, Inc.  No value has been recorded in the balance sheet
   for  this investment.  On December 25, 1998, the common shares
   of  ARIA  were quoted on the OTC Bulletin Board at  a  closing
   price of $0.25 per share.

8. The   Company  will  adopt  the  disclosure  requirements   of
   Statement  of Financial Accounting Standards (SFAS)  No.  131,
   "Disclosures  about  Segments of  an  Enterprise  and  Related
   Information," for the fiscal year ending March  31,  1999,  as
   required.   Adoption of SFAS No. 131 is not expected  to  have
   any significant effect on segment reporting.

   The Company will adopt SFAS No. 133 "Accounting for Derivative
   Instruments  and Hedging Activities," for the  fiscal  quarter
   beginning  April  1,  2000,  as  required.   Because  of   the
   Company's  current  minimal  hedging  activity  and  lack   of
   derivative  instruments, Management does not  anticipate  that
   the adoption of SFAS No. 133 will have a significant effect on
   its earnings or financial position.

9. In  December  1998,  the Company signed a definitive  purchase
   agreement  to  acquire  the business  operations,  assets  and
   related  liabilities of Amherst Systems,  Inc.  (the  "Amherst
   Acquisition"),   a   manufacturer   of   computer   controlled
   simulation/stimulation equipment and systems.  The  completion
   of  this  transaction  is subject to obtaining  financing  and
   customary regulatory approvals.

<PAGE 8>


             Independent Accountants' Review Report
                                
                                
The Board of Directors and Shareholders
Comptek Research, Inc.:


We  have reviewed the accompanying consolidated condensed balance
sheet  of  Comptek Research, Inc. and subsidiaries as of December
25,  1998,  and the related consolidated condensed statements  of
operations  for the thirteen and thirty-nine week  periods  ended
December  25,  1998  and  December  26,  1997,  and  changes   in
shareholders'  equity  and cash flows for  the  thirty-nine  week
periods  ended  December 25, 1998 and December 26,  1997.   These
consolidated    condensed   financial    statements    are    the
responsibility of the Company's management.

We  conducted our review in accordance with standards established
by  the  American Institute of Certified Public  Accountants.   A
review  of interim financial information consists principally  of
applying  analytical  procedures to  financial  data  and  making
inquiries  of  persons responsible for financial  and  accounting
matters.   It  is  substantially less  in  scope  than  an  audit
conducted   in   accordance  with  generally  accepted   auditing
standards, the objective of which is the expression of an opinion
regarding   the   financial  statements   taken   as   a   whole.
Accordingly, we do not express such an opinion.

Based   on   our  review,  we  are  not  aware  of  any  material
modifications  that should be made to the consolidated  condensed
financial  statements  referred  to  above  for  them  to  be  in
conformity with generally accepted accounting principles.

We have previously audited, in accordance with generally accepted
auditing  standards, the consolidated balance  sheet  of  Comptek
Research,  Inc. and subsidiaries as of March 31,  1998,  and  the
related   consolidated  statement  of  operations,  shareholders'
equity,  and  cash flows for each of the years in the  three-year
period then ended (not presented herein); and in our report dated
May  14,  1998,  we  expressed an unqualified  opinion  on  those
consolidated   financial  statements.   In   our   opinion,   the
information set forth in the accompanying consolidated  condensed
balance sheet as of March 31, 1998, is fairly presented,  in  all
material respects, in relation to the consolidated balance  sheet
from which it has been derived.

 


                                         KPMG LLP


Buffalo, New York
January 21, 1999

<PAGE 9>


            MANAGEMENT'S DISCUSSION AND ANALYSIS OF
         FINANCIAL CONDITION AND RESULTS OF OPERATIONS
GENERAL

Comptek  designs and develops specialized systems, software,  and
proprietary products intended for the global military electronics
market.   These   defense-related  systems   provide   management
information  and implement offensive and defensive  responses  in
combat situations.  Additionally, the Company is a supplier of EW
simulation/stimulation, training and software validation  systems
related  to  electronic surveillance. The Company  also  develops
systems  and provides engineering and technical services for  the
maintenance   and   upgrade   of   EW   and   Command,   Control,
Communication,  Computers and Intelligence  ("C4I")  systems  for
several U.S. Air Force and Navy platforms including:  B1-B Lancer
("B-1B")  and  B-2A Spirit ("B-2A") bombers; EF-111  Raven  ("EF-
111"),  EA-6B Prowler ("EA-6B") and the F/A-18 Hornet  ("F/A-18")
aircraft;  and navy surface combatants including the AEGIS  class
destroyers and cruisers.

The  Company  currently reports its operating activities  in  two
defense-related   segments:   Defense  Systems  ("Systems")   and
Engineering  and  Technical Services ("Services").   The  Systems
segment  includes operating activities for tactical  systems,  as
well    as    simulation/stimulation   and   training    systems.
Historically, the Services segment has primarily performed  under
time-and-materials  and cost-reimbursement contracts,  while  the
Systems   segment   has  typically  operated  under   fixed-price
contracts.

The Company completed its purchase of its wholly-owned subsidiary
PRB  in May 1998.  PRB is a leader in the development of military
mission  planning  systems  used  to  automate  complex  planning
functions  for routing, fuel, ordnance and tactics  for  advanced
aircraft weapons systems.  PRB's annual net sales, prior  to  the
acquisition by the Company, were approximately $30.0 million with
the majority of such sales attributable to domestic activities.

In  December  1998,  the  Company signed  a  definitive  purchase
agreement to acquire the business operations, assets and  related
liabilities of Amherst Systems, Inc. (the "Amherst Acquisition"),
a  manufacturer  of  computer  controlled  simulation/stimulation
equipment  and  systems.  The completion of this  transaction  is
subject   to   obtaining   financing  and  customary   regulatory
approvals.

The  Company's contract backlog at December 25, 1998, was  $150.9
million.   Since  March  31, 1998, backlog  has  increased  45.8%
primarily due to the addition of PRB's backlog and the July  1998
award  of contracts valued at over $18.5 million for work on  the
upgrade of the EW system for the EA-6B.

RESULTS OF OPERATIONS

NET  SALES.   Net sales increased to $68.0 million in  the  first
nine  months of fiscal 1999 from $52.8  million in the first nine
months  of  fiscal 1998, representing an increase of 28.7%.   For
Systems,  net sales increased to $40.7 million in the first  nine
months of fiscal 1999 from $18.1 million in the first nine months
of  fiscal 1998.  This increase in sales was primarily the result
of  the  acquisition of PRB in May 1998.  As a result, sales  for
the  Systems  segment grew to 59.8% of the Company's  total   net
sales  for  the  first nine months of fiscal 1999, compared  with
34.3% for the first nine months of fiscal 1998.  During the first
nine  months of fiscal 1998, the Company experienced a  reduction
in  the  lower-margin subcontractor work on the Electronic Combat
Mission  Support ("ECMS") contract with the U.S. Navy.  The  U.S.
Navy  continues to contract a large portion of subcontractor work
directly  with  subcontractors, as opposed to passing  this  work
through the Company's ECMS contract.  As a result, net sales  for
Services  decreased for the first nine months of fiscal  1999  by
21.6%  when  compared with the first nine months of fiscal  1998.
During the fiscal 1999 second quarter, the U.S. Navy awarded  the
Company  a  follow-on ECMS contract for an additional  two  years
through fiscal 2001 with potential total contract value of  $28.7
million.  Services net sales for the first nine months of  fiscal
1999 were $27.3 million.

GROSS  MARGIN.   Gross margin increased to $16.4 million  in  the
first  nine months of fiscal 1999 from $10.5 million in the first
nine  months of fiscal 1998, representing an increase  of  56.2%.
As a result of the PRB acquisition and increases in the Company's
Systems  segment  sales as a percentage of total  Company  sales,
gross  margin as a percentage of net sales has increased to 24.1%
in  the  first nine months of fiscal 1999 compared with 19.9%  in
the  first  nine months of fiscal 1998.  Systems sales  typically
produce higher-than-

<PAGE 10>

average gross margins for the Company.  Additionally, the overall
gross  margin percentage improved in fiscal 1999 as a  result  of
the  completion of a contract at a higher profit percentage  than
previously  anticipated  coupled  with   the  reduction  of  low-
margined subcontractor sales in the Services segment.

SELLING,  GENERAL  AND  ADMINISTRATIVE EXPENSES  ("SG&A").   SG&A
increased to $9.5 million in the first nine months of fiscal 1999
from  $6.5  million  in  the first nine months  of  fiscal  1998,
representing  an  increase of 46.2%.  As a percentage  of  sales,
SG&A  increased to 14.0% for the first nine months of fiscal 1999
compared with 12.3% in the first nine months of fiscal 1998.  The
acquisition  of  PRB  has  resulted in the  overall  increase  in
expenditures  for  SG&A.   While the  increases  in  the  Systems
segment  business  have  produced higher gross  margins,  Systems
requires a higher level of expenditures in marketing and  bidding
efforts to win new contracts.

RESEARCH AND DEVELOPMENT EXPENSES ("R&D").  R&D increased to $1.9
million in the first nine months of fiscal 1999 from $591,000  in
the first nine months of fiscal 1998, representing an increase of
221.5%.   R&D efforts are concentrated primarily in the Company's
Systems  segment.    The operations of PRB, since  May  1,  1998,
added  approximately  $1.2  million  in  R&D  expenditures.   The
remaining    R&D   expenditures  were  the  result   of   ongoing
development  activity  with the Company's  simulation/stimulation
products.  The Company anticipates that the expenditures for  R&D
will continue at the current rate for the remainder of the fiscal
year.  In the past, the majority of the Company's operations  and
net   sales   were  Services  based,  which  typically   required
relatively   low  amounts  of  R&D  investments.    The   Company
anticipates continued growth in the Systems business through both
internal  growth and acquisition.  As a result, R&D  expenditures
in  total  dollars, and as a percentage of sales,  is  likely  to
increase.

NET  INTEREST  EXPENSE.  Net interest expense increased  to  $1.1
million  for  the first nine months of fiscal 1999 from  $333,000
for  the   first  nine  months of fiscal  1998,  representing  an
increase  of  230.0%.   This  increase  is  attributable  to  the
financing costs relating to the acquisition of PRB.

INCOME  TAXES.   Income taxes increased to $1.6  million  in  the
first  nine months of fiscal 1999 from $1.2 million in the  first
nine  months of fiscal 1998, representing an increase  of  30.9%.
The  Company reported an overall effective tax rate (Federal  and
state)  of approximately 40.0% in the first nine months of fiscal
1999,  compared  with 38.9% in the first nine  months  of  fiscal
1998.   This  slight increase is the result of the non-deductible
goodwill  created as a result of the PRB acquisition.

NET  INCOME.  Net income increased to $2.3 million, or $0.45  per
diluted share, in the first nine months of fiscal 1999 from  $1.9
million, or $0.35 per diluted share, in the first nine months  of
fiscal  1998,  representing an increase  of  28.6%.   During  the
fiscal  1999 third quarter, net income increased to $899,000,  or
$0.17  per  diluted  share, from $664,000, or $0.13  per  diluted
share, representing an increase of 30.8%.

LIQUIDITY AND CAPITAL RESOURCES

Net  cash  provided by operating activities for  the  first  nine
months of fiscal 1999 was $1.7 million compared with $3.7 million
for  the first nine months of fiscal 1998.  Accounts payable  and
accounts  receivable required cash of $2.1 million and  $846,000,
respectively,  while  net earnings of $2.3  million,  subject  to
certain   non-cash   adjustments   such   as   depreciation   and
amortization, generated cash for the first nine months of  fiscal
1999.  Accounts payable for the first nine months of fiscal  1999
required a relatively significant amount of cash primarily due to
the   timing  of  payments  to  subcontractors  and  the  related
collection on accounts from customers at year-end and  the  prior
year's  quarter-end.  In contrast, for the first nine  months  of
fiscal   1998  accounts  payable  generated  cash  of   $221,000.
Positive  cash  flow thus far for fiscal 1999 has  been  used  to
purchase  capital  equipment and complete  software  development.
Cash  generated from the sale of treasury shares to the Company's
employees through the Employee Stock Purchase Plan was used to re-
purchase the Company's shares of Common Stock for the treasury.

Effective  May  14, 1998, the Company completed the  purchase  of
PRB.  In connection with the completion of this transaction,  the
Company's  existing credit facility was restructured  and  a  new
facility  was  established.   In  connection  with  the   Amherst
Acquisition, the Company expects to increase the line  of  credit
portion of this facility from $12.0 million to $27.0 million.

<PAGE 11>

The Company's acquisition of all of the outstanding shares of PRB
for  a  purchase  price  of  $20.0  million,  was  financed  with
borrowings under the revised credit facility and notes payable to
the  sellers.  Total  payments for the acquisition  net  of  cash
received was $17.9 million resulting in a substantial increase in
long-term debt from $3.6 at March 31, 1998, to $24.1 at June  25,
1998.   For  the  three  months  ended  December  25,  1998,  the
Company's total long-term debt was reduced by approximately  $1.8
million.   The Company's total debt-to-equity ratio decreased  to
2.53  to  1.0 at December 25, 1998, from 2.7 to 1.0 at  September
25,  1998.  The decrease is the result of the repayment of  long-
term  debt  coupled with increases in the Company's  shareholders
equity.

The  Company anticipates, exclusive of the financing required for
the  pending Amherst Systems acquisition,  that cash  flows  from
operations and available borrowing capacity will be sufficient to
cover   working  capital,  capital  expenditures  demand,   stock
repurchases and the repayment of long-term debt.

YEAR 2000

Many  currently installed computer systems and software  products
are  coded  to  accept only two digit entries in the  date  field
code.   These  date  code fields will need  to  distinguish  21st
century  dates  from 20th century dates.  This  could  result  in
system failures or miscalculations, a situation commonly referred
to  as  the "Year 2000 Issue" or "Year 2000 Problem." The Company
has  completed its assessment of its internal systems,  including
its information technology systems and non-information technology
systems,  for  the  potential impact of Year  2000  Issues.   The
Company  has also received communications from all of  its  major
vendors  and suppliers as to their respective states of readiness
and plans for compliance.

In  this regard, the Company has completed the conversion of  its
primary  accounting  and  management  information  system.    The
decision  to  convert was based upon information  processing  and
management   reporting  enhancements  available  under  the   new
system.   While such conversion was not initiated or  accelerated
due  to the prospect of the Year 2000 Problem, the new system has
been  represented  to  the  Company as Year  2000  compliant  and
provides the ancillary benefit of addressing the Year 2000 Issue.
Over  the next six months the Company will be conducting  testing
to  verify  compliance.  The majority of the  cost  for  the  new
system  (approximately $205,000) was included  in  the  Company's
capital  expenditures  in  fiscal  1998.  Remaining  expenditures
(estimated at $100,000) are included in the Company's anticipated
capital  requirements for the current fiscal year.   Deficiencies
in  non-information technology systems' recognition of  the  Year
2000  which were identified as a result of the Company's internal
assessment have been corrected.  The cost of correction  was  not
material.

Ancillary management information systems used by the Company  and
its subsidiaries have also been evaluated.  Specific upgrades  to
achieve   Year   2000  compliance  are  covered  under   existing
maintenance  agreements or will be purchased for installation  by
March  31, 1999.  The upgrade and testing of the payroll  systems
is  scheduled to be completed by July 31, 1999.  Other  than  the
capital  expenditures  noted  in  the  preceding  paragraph,  the
Company  has  spent  less than $80,000 on  Year  2000  compliance
upgrades and currently expects total expenditures in the  current
fiscal  year  to be approximately $100,000.  In addition  to  the
testing  of  its  primary  information  management  systems,  the
Company  is  testing all of the personal computers  currently  in
use.  For contingency purposes, the Company currently intends  to
budget  an  additional $100,000 for capital expenditures  in  its
fiscal year beginning April 1, 1999.

While the Company continues to evaluate the compliance activities
of  its vendors and suppliers, the Company is satisfied with  the
responses  received to date and does not anticipate any  material
adverse impact on the Company's financial condition as it relates
to  vendors'  and suppliers' Year 2000 compliance.   The  Company
will,  to  the  extent  feasible, be testing  such  products  for
compliance,  but  can offer no assurances that  its  vendors  and
suppliers will in fact be Year 2000 compliant.

The  DoD  and  its  departments and agencies  are  the  Company's
largest customer group, representing approximately 87.0%  of  the
Company's  1998 net sales.  The Company believes  that  the  U.S.
Government, including the DoD, is undertaking substantial efforts
to  address  the  Year 2000 Problem.  The Company,  however,  can
offer  no  assurances as to the DoD's readiness and the potential
impact  of  the DoD's non-readiness is unknown at this  time.   A
failure  by  the DoD to adequately address the Year 2000  Problem
could,  among other things, result in payment delays and contract
administration delays which may result in a need

<PAGE 12>

for   increased  borrowing  and  interest  expense   to   satisfy
operational and capital expenditure needs of the Company.

Based  on  currently available information, the Company  believes
that  the  most  reasonably likely worst case Year 2000  scenario
revolves  around  two  factors:  (i)  a  failure  or  substantial
curtailment  of basic power and communication services  and  (ii)
payment  and contract administration delays.  The Company  is  in
the  process  of evaluating contingency plans.  With  respect  to
administrative    systems,   such   as    purchasing,    contract
administration, and accounting, temporary manual systems could be
relied on, if necessary.  In many instances, the establishment of
a  contingency plan related to basic power and communications may
not  be possible or may be cost prohibitive.  In order to address
potential  payment  and  contract delays, the  Company's  current
credit  facility  includes a $12.0 million  line  of  credit  for
working  capital.   Also, consistent with the  Company's  overall
cash management practices, a close liaison is maintained with the
Defense  Contract Management Agency to address potential  payment
and contract administration issues.

The  software  programs  written by the Company's  personnel  and
currently  in  use  by customers are believed  to  be  Year  2000
compliant,  but inasmuch as such programs are used in conjunction
with  operating  and other systems furnished by other  suppliers,
the  overall compliance of such systems is dependent  upon  third
parties.  The  Company  expects  to  continue  to  evaluate   the
compliance activities of its contract vendors and suppliers,  but
is  satisfied with the responses received to date.   The  Company
has  evaluated  and  will  continue  to  consider  its,  and  its
subcontractors', warranty obligations relative to the  Year  2000
Problem.   The  Company  has  not received  any  warranty  claims
relating  to  the  Year  2000  Problem  and  does  not  currently
anticipate any such claims of a material nature.

While  the  Company  does  not currently  anticipate  a  material
adverse impact on the Company's financial condition or results of
operations,  the Company can offer no assurances  that  the  Year
2000 Problem will not adversely impact the Company.  Accordingly,
the  Company expects on an on-going basis to continue to evaluate
the Year 2000 Problem and its potential impact on the Company and
its industry group.

In  connection with the proposed Amherst Acquisition, the Company
has  made  an assessment of Amherst's internal systems, including
Amherst's  information  technology  systems  and  non-information
technology systems, for the potential impact of Year 2000 Issues.
The Company believes that Amherst's critical internal systems are
currently Year 2000 compliant and all other systems will be  made
compliant  within  the next six months at a  cost  which  is  not
material.

Based  on currently available information and the representations
of  Amherst,  the  Company believes that  the  potential  adverse
impact  of  the  Year 2000 Problem on the Company  and  the  most
reasonably likely worst case Year 2000 scenario applicable to the
Company is not materially changed by the Amherst Acquisition.

FORWARD LOOKING STATEMENTS

This  Management's  Discussion  and  Analysis  contains  forward-
looking statements about the Company's current expectations based
on  current business conditions.  Forward-looking statements  are
subject  to  risks  and  uncertainties that  could  cause  actual
results  to  differ  materially.  These risks  and  uncertainties
include  the  Company's dependence on continued funding  of  U.S.
Department  of  Defense  programs.   Some  additional  risks  and
uncertainties, among others, that also need to be considered are:
the  likelihood that actual future revenues that are realized may
differ  from  those  inferred from existing  total  backlog;  the
ability to transition and integrate PRB, as well as complete  the
proposed  acquisition  of  the  business  operations  of  Amherst
Systems,  Inc.;  the  ability to expand  sales  in  international
markets;  the  ability  to complete future  acquisitions  without
adversely  affecting the Company's financial condition;  and  the
potential  impact  of  the Year 2000 Problem.   Other  risks  and
uncertainties  are described in the Company's  Form  10-K  Annual
Report for the fiscal year ended March 31, 1998.

<PAGE 13>


                  PART II.  OTHER INFORMATION

Item 6.   Exhibits and Reports on Form 8-K

(a)            Exhibits:

          10        Amendments P00039 to P00048, inclusive,
                    to Prime Contract No. N00024-97-C-6431.

          11        Comptek Research, Inc. and Subsidiaries
                    Reconciliation of Basic and Diluted EPS
                    Computations.

          15        Letter Regarding Unaudited Interim
                    Financial Information.

          27        Financial Data Schedule.

(b)       Reports on Form 8-K:

          Form 8-K/A reporting date was October 13, 1998

          Item Reported:

          Item 5.  Other Events.  The Registrant signed a Letter
          of Intent to acquire the business operations, assets
          and related liabilities of Amherst Systems, Inc., a
          privately-held company headquartered in Williamsville,
          New York

<PAGE 14>


                           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 thereunto duly authorized.



                                   COMPTEK RESEARCH, INC.



Date:  February 5, 1998        By:   /s/ John J. Sciuto
                                         John J. Sciuto
				                                     Chairman, President and
                                				     Chief Executive Officer



Date:  February 5, 1998        By:   /s/ Laura L. Benedetti
                                         Laura L. Benedetti
                                         Chief Financial Officer
                                         (Principal Accounting and
                                         Financial Officer)


<PAGE 15>


                       INDEX TO EXHIBITS
                         - - - - - - -


                                                           
 Exhibit                                                   Page
  No.                 Description of Exhibit                No.
 -------   -------------------------------------------    -----
                                                           
     10     Amendment P00039 to P00048, inclusive, to       17
            Prime Contract No. N00024-97-C-6431.
                                                           
     11     Comptek Research, Inc. and Subsidiaries         59
            Reconciliation of Basic and Diluted EPS
            Computations
                                                           
     15     Letter Regarding Unaudited Interim              60
            Financial Information
                                                           
     27     Financial Data Sheet                            61
     
     
     -------------------------
     
     
<PAGE 16>



                           Exhibit 10

<PAGE>
<TABLE>
<S>                                                   <C>
- -----------------------------------------------------------------
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
1. CONTRACT ID CODE                    PAGE OF PAGES
         U                               1       3
- -----------------------------------------------------------------
2.   AMENDMENT/MODIFICATION NO.           3. EFFECTIVE DATE
         P00039                                 SEE BLK 16C.

4. REQUISITION/PURCHASE REQ. NO.            5. PROJECT NO.
      N00024-99-FR-60126                       9-05F-60126
- -----------------------------------------------------------------
6. ISSUED BY CODE N00024 7. ADMINISTERED BY(If other than Item 6)
                                                   CODE  S3305A

NAVAL SEA SYSTEMS COMMAND                   DCMC SYRACUSE-BUFFALO
2531 JEFFERSON DAVIS HIGHWAY                1103 FEDERAL BUILDING
ARLINGTON VA 22242-5160                     111 W. HURON STREET
BUYER/SYMBOL: L. COOPER/0251                BUFFALO, NY 14202
PHONE: Area Code 703/602-8105, EXT. 516
- -----------------------------------------------------------------
8.   NAME AND ADDRESS OF CONTRACTOR (No., street, county, State
  and
   ZIP Code)
                                |   |9A. AMENDMENT OF
                                |   |    SOLICITATION NO.
                                |   |---------------------------
CEC NO: 07-799-9799             |   |9B.  DATED (SEE ITEM 11)
                                |   |
COMPTEK FEDERAL SYSTEMS, INC.   |   |---------------------------
2732 TRANSIT ROAD               |(X)|10A. MODIFICATION OF
BUFFALO, NY 14224-2523          |   |     CONTRACT/ORDER NO.
                                |   |     N00024-97-C-6431
                                |   |---------------------------
TIN NO: 16-1411419              |   |10B.  DATED (SEE ITEM 13)
- --------------------------------|   |        30 APRIL 1990
 CODE OTTJ6 |  FACILITY CODE    |   |

     11. THIS ITEM ONLY APPLIES TO AMENDMENT OF SOLICITATIONS

[   ] The above numbered solicitation is amended as set forth in
Item 14.  The hour and date specified for receipt of Offer [   ]
is extended, [  ] is not extended. Offers must acknowledge
receipt of this amendment prior to the hour and date specified in
the solicitation or as amended, by one of the following methods:
(a)  By competing items 8 and 15, and returning ___ copies of the
amendment; (b) By acknowledging receipt of this amendment on each
copy of the offer submitted; or (c) By separate Letter or
telegram which includes a reference to the solicitation and
amendment numbers.  FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED
AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE
HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR
OFFER.  If by virtue of this amendment you desire to change and
offer already submitted, such change may be made by telegram or
Letter, provided each telegram or letter makes reference to the
solicitation and this amendment, and is received prior to the
opening hour and date specified.

12.  ACCOUNTING AND APPROPRIATION DATA
     SEE ATTACHED FINANCIAL ACCOUNTING DATA SHEETS
- -----------------------------------------------------------------
13.  THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
    CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO. AS
    DESCRIBED IN ITEM 14.
- -----------------------------------------------------------------
     | A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify
     |    authority) THE CHANGES
     |    SET FORTH IN ITEM 14 ARE MADE IN THE
     |    CONTRACT ORDER NO.  IN ITEM 10A.
- -----------------------------------------------------------------
     | B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
     |    REFLECT THE ADMINISTRATIVE
     |    CHANGES (such as changes in paying  office,
     |    appropriation date, etc.) SET FORTH
     |    IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43,103(b).
- -----------------------------------------------------------------
     | C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO
     |    AUTHORITY OF:
     |
- -----------------------------------------------------------------
     | D. OTHER (Specify type of modification and authority)
 x   |    UNILATERAL MODIFICATION PURSUANT TO CLAUSE H-2,
     |    ALLOTMENT OF FUNDS
- -----------------------------------------------------------------
E.   IMPORTANT: Contractor [X] is not, [  ] is required to sign
  this document and return 2 copies to the issuing office.

- -----------------------------------------------------------------
14.  DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF
  section headings, including solicitation/contract subject matter
  where feasible.)


                          SEE PAGE 2

                          38010/C-7023

Except as provided herein, all terms and conditions of the
document referenced in item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.
- -----------------------------------------------------------------
15A.  NAME AND TITLE OF SIGNER (Type or print)


16A.  NAME AND TITLE OF CONTRACTING OFFICER (Type or print)
          CHARLES J. CIRINO
          CONTRACTING OFFICER
- -----------------------------------------------------------------
15B.  CONTRACTOR/OFFEROR                    15C.  DATE SIGNED


Signature of person authorized to sign

16B.  UNITED STATES OF AMERICA       |        16C.  DATE SIGNED
      By /s/CHARLES J. CIRINO
- -----------------------------------------------------------------
(Signature of Contracting officer)   |            12-1-98
- -----------------------------------------------------------------
PREVIOUS EDITION UNUSABLE          30-105
STANDARD FORM 30 (REV. 10-83)
Prescribed by GSA
</TABLE>
<PAGE>

                                                 N00024-97-C-6431
                                                           P00039
                                                      PAGE 2 OF 3
                                                                 
The purpose of this modification is to fully fund Item 0003AA in
the amount of $65,100.00.  As a result of this modification the
amount funded to date is increased by $65,100.00 from
$11,602,925.00 to $11,668,025.00.  As a result of this
modification, the total estimated value of this contract remains
unchanged at $20,995,503 ($19,383,066 estimated cost and
$1,157,437 fixed fee).  Accordingly, Contract N00024-97-C-6431 is
hereby modified as follows:

<TABLE>
<S>     <C>         <C>         <C>        <C>        <C>
 ITEM   EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS     TYPE
0001            $0         $0          $0          0 
0001AA     $50,084     $2,920     $53,004      1,548 RDT&E97
0001AB          $0         $0          $0          0 FMS
0001AC          $0         $0          $0          0 O&MN97
0001AD    $579,240    $33,770    $613,010     16,913 OPN97
0001AE    $333,878    $19,519    $353,397      9,749 SCN97
0001AF          $0         $0          $0          0 WPN97
0001AG     $30,057     $1,743     $31,800        929 MISC
0001AH  $1,653,557    $90,398  $1,749,955     48,281 O&MN98
0001AJ    $884,318    $51,544    $935,862     27,326 RDT&E98-ETS
0001AK    $112,070     $6,532    $118,602      3,463 SCN93
0001AL  $1,795,476   $104,661  $1,900,137     55,481 SCN96
0001AM    $278,683    $16,247    $294,930      8,612 RDT&E98
0001AN    $529,143    $30,849    $559,992     16,351 OPN98
0001AP     $12,254       $714     $12,968        379 SCN91
0001AR    $463,594    $27,027    $490,621     14,325 SCN94
0001AS    $141,737     $8,263    $159,000      4,139 NON-SEVER
TOTAL   $6,864,091   $394,187  $7,273,278    207,496 
</TABLE>
<TABLE>
<S>    <C>          <C>        <C>          <C>        <C>
 ITEM   EST. COST   FIXED FEE TOTAL CPFF   MAN HOURS     TYPE
0003    $8,812,257   $514,621  $9,326,878    250,254 
0003AA    $446,499    $26,031    $472,530     12,681 RDT&E98
0003AB     $61,423     $3,581     $65,004      1,744 FMS-RAN
0003AC  $1,317,329    $76,801  $1,394,130     37,413 O&MN98
0003AD     $85,048     $4,958     $90,006      2,415 OPN98
0003AE    $188,982    $11,018    $200,000      5,367 SCN91
0003AF          $0         $0          $0          0 WPN
0003AG          $0         $0          $0          0 MISC
0003AH    $236,228    $13,772    $250,000      6,709 SCN94
0003AJ    $426,819    $24,884    $451,703     12,122 SCN96
0003AK    $188,970    $11,017    $199,987      5,367 RDT&E98ETS
0003AL    $208,815    $12,173    $220,988      5,931 SCN93
0003AM     $47,246     $2,754     $50,000      1,342 RDT&E97ETS
0003AN     $28,347     $1,653     $30,000        805 SCN95
0003AP     $37,796     $2,204     $40,000      1,073 SCN97
0003AR     $37,796     $2,204     $40,000      1,073 SCN98
0003AT    $850,420    $49,579    $899,999     24,153 O&MN99
TOTAL  $12,973,975   $757,250 $13,731,225    368,449 
</TABLE>
<PAGE>

                                                 N00024-97-C-6431
                                                           P00039
                                                      PAGE 3 OF 3


2.   Under Section C, SPECIFICATION OR STATEMENT OR WORK, add the
     following for Item 0003AA.

Items 0003AA, 0003AB, 0003AC, 0003AD, 0003AE, 0003AH, 0003AJ,
0003AK, 0003AL, 0003AM, 0003AN, 0003AP, 0003AR, and 0003 AT - The
contractor shall perform all work required under Technical
Instructions 38223, 37385, 38228, 38220, 38234, 38231, 38244,
38280, 37275, 38254, 38013, 38229, 38262, 38291, 38290, 39296,
38010, 38316, 38326, 59015 and 38010(D).

3.   In accordance with the LIMITATION OF COSTS clauses, as
     listed in the attached financial accounting data sheet, funding
     in the amount of $65,100.00 is hereby added as follows:

<TABLE>
<S>     <C>         <C>         <C>        <C>        <C>
 ITEM   EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS     TYPE
0003AA     $61,514     $3,586     $65,100      1,747 RDT&E 98
</TABLE>

4.   As a result of this modification the total amount funded to
     date is increased by $65,100.00 from $11,602,925.00 to
     $11,668,025.00  As a result of this modification, the total
     estimated value of this contract is remains unchanged as
     $20,995,503 ($19,838,066 estimated costs and $1,157,437 fixed
     fee).  Accordingly, Contract N00024-97-C-6431 in hereby modified
     as follows:

<TABLE>
<S>                     <C>                  <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N00024-97-C-6431                                 P00039
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AA            DB          1781319        84PC           252
<S>                                 <C>


                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
    N0002499FR60126
    TAR 38010 (D)
- -----------------------------------------------------------------
E.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT      PAA      COST CODE
                   (CRITICAL)                  PROJ          PDLI
                                               UNIT   MCC   & SUF
_________________________________________________________________

SA      S3R    0    068342     2D     980360   S0384  000    0010
- -----------------------------------------------------------------
7.   AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

   $65,100.00                      N0002498AF184PC
                                   PE63514N Applies
PAGE TOTAL     $65,100.00

GRAND TOTAL    $65,100.00

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

PREPARED/AUTHORIZED BY:

/S/BRIAN SMALE, PMS-500TD1
BRIAN SMALE

DATE:     11/6/98


COMPTROLLER APPROVAL:


SIGNATURE     /S/J.L. PRITCHETT
              J.L. PRITCHETT
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER

DATE:

11/23/98
- -----------------------------------------------------------
</TABLE>
<PAGE>
<TABLE>
<S>                                                   <C>
- -----------------------------------------------------------------
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
1. CONTRACT ID CODE                    PAGE OF PAGES
         U                               1       3
- -----------------------------------------------------------------
2.   AMENDMENT/MODIFICATION NO.           3. EFFECTIVE DATE
         P00040                                 SEE BLK 16C.

4. REQUISITION/PURCHASE REQ. NO.            5. PROJECT NO.
      N00024-99-FR-60132                       9-05F-60132
- -----------------------------------------------------------------
6. ISSUED BY CODE N00024 7. ADMINISTERED BY(If other than Item 6)
                                                   CODE  S3305A

NAVAL SEA SYSTEMS COMMAND                   DCMC SYRACUSE-BUFFALO
2531 JEFFERSON DAVIS HIGHWAY                1103 FEDERAL BUILDING
ARLINGTON VA 22242-5160                     111 W. HURON STREET
BUYER/SYMBOL: L. COOPER/0251                BUFFALO, NY 14202
PHONE: Area Code 703/602-8105, EXT. 516
- -----------------------------------------------------------------
9.   NAME AND ADDRESS OF CONTRACTOR (No., street, county, State
  and
   ZIP Code)
                                |   |9A. AMENDMENT OF
                                |   |    SOLICITATION NO.
                                |   |---------------------------
CEC NO: 07-799-9799             |   |9B.  DATED (SEE ITEM 11)
                                |   |
COMPTEK FEDERAL SYSTEMS, INC.   |   |---------------------------
2732 TRANSIT ROAD               |(X)|10A. MODIFICATION OF
BUFFALO, NY 14224-2523          |   |     CONTRACT/ORDER NO.
                                |   |     N00024-97-C-6431
                                |   |---------------------------
TIN NO: 16-1411419              |   |10B.  DATED (SEE ITEM 13)
- --------------------------------|   |        30 APRIL 1990
 CODE OTTJ6 |  FACILITY CODE    |   |

     11. THIS ITEM ONLY APPLIES TO AMENDMENT OF SOLICITATIONS

[   ] The above numbered solicitation is amended as set forth in
Item 14.  The hour and date specified for receipt of Offer [   ]
is extended, [  ] is not extended. Offers must acknowledge
receipt of this amendment prior to the hour and date specified in
the solicitation or as amended, by one of the following methods:
(b)  By competing items 8 and 15, and returning ___ copies of the
amendment; (b) By acknowledging receipt of this amendment on each
copy of the offer submitted; or (c) By separate Letter or
telegram which includes a reference to the solicitation and
amendment numbers.  FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED
AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE
HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR
OFFER.  If by virtue of this amendment you desire to change and
offer already submitted, such change may be made by telegram or
Letter, provided each telegram or letter makes reference to the
solicitation and this amendment, and is received prior to the
opening hour and date specified.

12.  ACCOUNTING AND APPROPRIATION DATA
     SEE ATTACHED FINANCIAL ACCOUNTING DATA SHEETS
- -----------------------------------------------------------------
14.  THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
    CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO. AS
    DESCRIBED IN ITEM 14.
- -----------------------------------------------------------------
     | A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify
     |    authority) THE CHANGES
     |    SET FORTH IN ITEM 14 ARE MADE IN THE
     |    CONTRACT ORDER NO.  IN ITEM 10A.
- -----------------------------------------------------------------
     | B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
     |    REFLECT THE ADMINISTRATIVE
     |    CHANGES (such as changes in paying office,
     |    appropriation date, etc.) SET FORTH
     |    IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43,103(b).
- -----------------------------------------------------------------
     | C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO
     |    AUTHORITY OF:
     |
- -----------------------------------------------------------------
     | D. OTHER (Specify type of modification and authority)
 x   |    UNILATERAL MODIFICATION PURSUANT TO CLAUSE H-2,
     |    ALLOTMENT OF FUNDS
- -----------------------------------------------------------------
F.   IMPORTANT: Contractor [X] is not, [  ] is required to sign
  this document and return 2 copies to the issuing office.

- -----------------------------------------------------------------
15.  DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF
  section headings, including solicitation/contract subject matter
  where feasible.)


                          SEE PAGE 2

                          C-9014/59026
                             RDT&E99

Except as provided herein, all terms and conditions of the
document referenced in item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.
- -----------------------------------------------------------------
15A.  NAME AND TITLE OF SIGNER (Type or print)


16A.  NAME AND TITLE OF CONTRACTING OFFICER (Type or print)
          ANN VAN HOUTEN
          CONTRACTING OFFICER
- -----------------------------------------------------------------
15B.  CONTRACTOR/OFFEROR                    15C.  DATE SIGNED


Signature of person authorized to sign

16B.  UNITED STATES OF AMERICA       |        16C.  DATE SIGNED
      By /s/ANN VAN HOUTEN
- -----------------------------------------------------------------
(Signature of Contracting officer)   |            23 DEC 98
- -----------------------------------------------------------------
PREVIOUS EDITION UNUSABLE          30-105
STANDARD FORM 30 (REV. 10-83)
Prescribed by GSA
</TABLE>
<PAGE>

N00024-97-C-6431
                                                           P00040
                                                      PAGE 2 OF 3
                                                                 
The purpose of this modification is to create Item 0003AS and
fully fund Item 0003AS in the amount of $49,999.00.  As a result
of this modification the amount funded to date is increased by
$49,999.00 from $11,668,025.00 to $11,718,024.00.  As a result of
this modification, the total estimated value of this contract
remains unchanged at $20,995,503 ($19,838,066 estimated costs and
$1,157,437 fixed fee).  Accordingly, Contract N00024-97-C-6431 is
hereby modified as follows:

1.   Under Section B, SUPPLIES OR SERVICES and PRICES/COSTS,
     replace Items 0001 and 0003 with the following ceilings:

<TABLE>
<S>     <C>         <C>         <C>        <C>        <C>
 ITEM   EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS     TYPE
0001            $0         $0          $0          0 
0001AA     $50,084     $2,920     $53,004      1,548 RDT&E97
0001AB          $0         $0          $0          0 FMS
0001AC          $0         $0          $0          0 O&MN97
0001AD    $579,240    $33,770    $613,010     16,913 OPN97
0001AE    $333,878    $19,519    $353,397      9,749 SCN97
0001AF          $0         $0          $0          0 WPN97
0001AG     $30,057     $1,743     $31,800        929 MISC
0001AH  $1,653,557    $90,398  $1,749,955     48,281 O&MN98
0001AJ    $884,318    $51,544    $935,862     27,326 RDT&E98-ETS
0001AK    $112,070     $6,532    $118,602      3,463 SCN93
0001AL  $1,795,476   $104,661  $1,900,137     55,481 SCN96
0001AM    $278,683    $16,247    $294,930      8,612 RDT&E98
0001AN    $529,143    $30,849    $559,992     16,351 OPN98
0001AP     $12,254       $714     $12,968        379 SCN91
0001AR    $463,594    $27,027    $490,621     14,325 SCN94
0001AS    $141,737     $8,263    $159,000      4,139 NON-SEVER
TOTAL   $6,864,091   $400,187  $7,264,278    210,552 
</TABLE>
<TABLE>
<S>    <C>          <C>        <C>          <C>        <C>
 ITEM   EST. COST   FIXED FEE TOTAL CPFF   MAN HOURS     TYPE
0003    $8,765,012   $511,867  $9,276,879    248,912 
0003AA    $446,499    $26,031    $472,530     12,681 RDT&E98
0003AB     $61,423     $3,581     $65,004      1,744 FMS-RAN
0003AC  $1,317,329    $76,801  $1,394,130     37,413 O&MN98
0003AD     $85,048     $4,958     $90,006      2,415 OPN98
0003AE    $188,982    $11,018    $200,000      5,367 SCN91
0003AF          $0         $0          $0          0 WPN
0003AG          $0         $0          $0          0 MISC
0003AH    $236,228    $13,772    $250,000      6,709 SCN94
0003AJ    $426,819    $24,884    $451,703     12,122 SCN96
0003AK    $188,970    $11,017    $199,987      5,367 RDT&E98ETS
0003AL    $208,815    $12,173    $220,988      5,931 SCN93
0003AM     $47,246     $2,754     $50,000      1,342 RDT&E97ETS
0003AN     $28,347     $1,653     $30,000        805 SCN95
0003AP     $37,796     $2,204     $40,000      1,073 SCN97
0003AR     $37,796     $2,204     $40,000      1,073 SCN98
0003AS     $47,245     $2,754     $49,999      1,342 RDT&E-99
0003AT    $850,420    $49,579    $899,999     24,153 O&MN99
TOTAL  $12,973,975   $757,250 $13,731,225    368,449 
</TABLE>
<PAGE>

N00024-97-C-6431
                                                           P00040
                                                      PAGE 3 OF 3


5.   Under Section C, SPECIFICATION OR STATEMENT OR WORK, add the
     following for Item 0003AS.

Items 0003AA, 0003AB, 0003AC, 0003AD, 0003AE, 0003AH, 0003AJ,
0003AK, 0003AL, 0003AM, 0003AN, 0003AP, 0003AR, 0003AS, and
0003AT - The contractor shall perform all work required under
Technical Instructions 38223, 37385, 38228, 38220, 38234, 38244,
38280, 37275, 38254, 38013, 38229, 38262, 38291, 38290, 39296,
38010, 38316, 38326, 59015, 38010(D), and 59026.

Under Section F, DELIVERIES OR PERIOD OF PERFORMANCE, add the
following for Item 0003AL and 0003AS.

Item 0003AL - The Contractor shall provide the required services
for this item from the date of this modification through 29
January 1999.

Item 0003AS - The Contractor shall provide the required services
for this item from the date of this modification through 30 June
1999.

6.   In accordance with the LIMITATION OF COSTS clauses, as
     listed in the attached financial accounting data sheet, funding
     in the amount of $49,999.00 is hereby added as follows:


<TABLE>
<S>     <C>         <C>         <C>        <C>        <C>
 ITEM   EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS     TYPE
0003AS     $47,245     $2,754     $49,999      1,342 RDT&E 99
</TABLE>

7.   As a result of this modification the total amount funded to
     date is increased by $49,999.00 from $11,668,025.00 to
     $11,718,024.00.  As a result of this modification, the total
     estimated value of this contract is remains unchanged as
     $20,995,503 ($19,838,066 estimated cost and $1,157,437 fixed
     fee).  Accordingly, Contract N00024-97-C-6431 is hereby modified
     as follows:

<PAGE>
<TABLE>
<S>                     <C>                  <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N00024-97-C-6431                                 P00040
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AS            DF          1791319        ASYK           251
<S>                                 <C>


                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
    N0002499TI59026

- -----------------------------------------------------------------
F.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT      PAA      COST CODE
                   (CRITICAL)                  PROJ          PDLI
                                               UNIT   MCC   & SUF
_________________________________________________________________

SA      STC    0    068342     2D     980360   K1604  ETS    ETS0
- -----------------------------------------------------------------
8.   AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

   $49,999.00                      N0002499AF1A5YK


PAGE TOTAL     $49,999.00

GRAND TOTAL    $49,999.00

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

PREPARED/AUTHORIZED BY:

/S/P.C. MONTGOMERY
P.C. MONTGOMERY

DATE:     9 DEC 98


COMPTROLLER APPROVAL:


SIGNATURE     /S/P.C. MONTGOMERY
              P.C. MONTGOMERY
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER

DATE:

12/21/98
- -----------------------------------------------------------
</TABLE>
<PAGE>
<TABLE>
<S>                                                   <C>
- -----------------------------------------------------------------
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
1. CONTRACT ID CODE                    PAGE OF PAGES
         U                               1       3
- -----------------------------------------------------------------
2.   AMENDMENT/MODIFICATION NO.           3. EFFECTIVE DATE
         P00041                                SEE BLK 16C.

4. REQUISITION/PURCHASE REQ. NO.            5. PROJECT NO.
      N00024-99-FR-60133                       9-05F-60133
- -----------------------------------------------------------------
6. ISSUED BY CODE N00024 7. ADMINISTERED BY(If other than Item 6)
                                                   CODE  S3305A

NAVAL SEA SYSTEMS COMMAND                   DCMC SYRACUSE-BUFFALO
2531 JEFFERSON DAVIS HIGHWAY                1103 FEDERAL BUILDING
ARLINGTON VA 22242-5160                     111 W. HURON STREET
BUYER/SYMBOL: L. COOPER/0251                BUFFALO, NY 14202
PHONE: Area Code 703/602-8105, EXT. 516
- -----------------------------------------------------------------
10.  NAME AND ADDRESS OF CONTRACTOR (No., street, county, State
  and
   ZIP Code)
                                |   |9A. AMENDMENT OF
                                |   |    SOLICITATION NO.
                                |   |---------------------------
CEC NO: 07-799-9799             |   |9B.  DATED (SEE ITEM 11)
                                |   |
COMPTEK FEDERAL SYSTEMS, INC.   |   |---------------------------
2732 TRANSIT ROAD               |(X)|10A. MODIFICATION OF
BUFFALO, NY 14224-2523          |   |     CONTRACT/ORDER NO.
                                |   |     N00024-97-C-6431
                                |   |---------------------------
TIN NO: 16-1411419              |   |10B.  DATED (SEE ITEM 13)
- --------------------------------|   |        30 APRIL 1990
 CODE OTTJ6 |  FACILITY CODE    |   |

     11. THIS ITEM ONLY APPLIES TO AMENDMENT OF SOLICITATIONS

[   ] The above numbered solicitation is amended as set forth in
Item 14.  The hour and date specified for receipt of Offer [   ]
is extended, [  ] is not extended. Offers must acknowledge
receipt of this amendment prior to the hour and date specified in
the solicitation or as amended, by one of the following methods:
(c)  By competing items 8 and 15, and returning ___ copies of the
amendment; (b) By acknowledging receipt of this amendment on each
copy of the offer submitted; or (c) By separate Letter or
telegram which includes a reference to the solicitation and
amendment numbers.  FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED
AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE
HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR
OFFER.  If by virtue of this amendment you desire to change and
offer already submitted, such change may be made by telegram or
Letter, provided each telegram or letter makes reference to the
solicitation and this amendment, and is received prior to the
opening hour and date specified.

12.  ACCOUNTING AND APPROPRIATION DATA
     SEE ATTACHED FINANCIAL ACCOUNTING DATA SHEETS
- -----------------------------------------------------------------
15.  THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
    CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO. AS
    DESCRIBED IN ITEM 14.
- -----------------------------------------------------------------
     | A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify
     |    authority) THE CHANGES
     |    SET FORTH IN ITEM 14 ARE MADE IN THE
     |    CONTRACT ORDER NO.  IN ITEM 10A.
- -----------------------------------------------------------------
     | B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
     |    REFLECT THE ADMINISTRATIVE
     |    CHANGES (such as changes in paying  office,
     |    appropriation date, etc.) SET FORTH
     |    IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43,103(b).
- -----------------------------------------------------------------
     | C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO
     |    AUTHORITY OF:
     |
- -----------------------------------------------------------------
     | D. OTHER (Specify type of modification and authority)
 x   |    UNILATERAL MODIFICATION PURSUANT TO CLAUSE H-2,
     |    ALLOTMENT OF FUNDS
- -----------------------------------------------------------------
G.   IMPORTANT: Contractor [X] is not, [  ] is required to sign
  this document and return 2 copies to the issuing office.

- -----------------------------------------------------------------
16.  DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF
  section headings, including solicitation/contract subject matter
  where feasible.)


                          SEE PAGE 2

                          c-9007/59014
                             SCN-99

Except as provided herein, all terms and conditions of the
document referenced in item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.
- -----------------------------------------------------------------
15A.  NAME AND TITLE OF SIGNER (Type or print)


16A.  NAME AND TITLE OF CONTRACTING OFFICER (Type or print)
          ANN VAN HOUTEN
          CONTRACTING OFFICER
- -----------------------------------------------------------------
15B.  CONTRACTOR/OFFEROR                    15C.  DATE SIGNED


Signature of person authorized to sign

16B.  UNITED STATES OF AMERICA       |        16C.  DATE SIGNED
      By /s/ANN VAN HOUTEN
- -----------------------------------------------------------------
(Signature of Contracting officer)   |            23 DEC 98
- -----------------------------------------------------------------
PREVIOUS EDITION UNUSABLE          30-105
STANDARD FORM 30 (REV. 10-83)
Prescribed by GSA
</TABLE>
<PAGE>

N00024-97-C-6431
                                                           P00041
                                                      PAGE 2 OF 3
                                                                 
The purpose of this modification is to create Item 0003AU and
fully fund Item 0003AU in the amount of $250,000.00  As a result
of this modification the amound funded to date is increased by
$250,000.00 from $11,718,024.00 to $11,968,024.00.  As a result
of this modification, the total estimated value of this contract
remains unchanged at $20,995,503 ($19,838,066 estimated cost and
$1,157,437 fixed fee).  Accordingly, Contract N00024-97-C-6431 is
hereby modified as follows:

2.   Under Section B, SUPPLIES OR SERVICES and PRICES/COSTS,
     replace Items 0001 and 0003 with the following ceilings:

<TABLE>
<S>     <C>         <C>         <C>        <C>        <C>
 ITEM   EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS     TYPE
0001            $0         $0          $0          0 
0001AA     $50,084     $2,920     $53,004      1,548 RDT&E97
0001AB          $0         $0          $0          0 FMS
0001AC          $0         $0          $0          0 O&MN97
0001AD    $579,240    $33,770    $613,010     16,913 OPN97
0001AE    $333,878    $19,519    $353,397      9,749 SCN97
0001AF          $0         $0          $0          0 WPN97
0001AG     $30,057     $1,743     $31,800        929 MISC
0001AH  $1,653,557    $90,398  $1,749,955     48,281 O&MN98
0001AJ    $884,318    $51,544    $935,862     27,326 RDT&E98-ETS
0001AK    $112,070     $6,532    $118,602      3,463 SCN93
0001AL  $1,795,476   $104,661  $1,900,137     55,481 SCN96
0001AM    $278,683    $16,247    $294,930      8,612 RDT&E98
0001AN    $529,143    $30,849    $559,992     16,351 OPN98
0001AP     $12,254       $714     $12,968        379 SCN91
0001AR    $463,594    $27,027    $490,621     14,325 SCN94
0001AS    $141,737     $8,263    $159,000      4,139 NON-SEVER
TOTAL   $6,864,091   $400,187  $7,264,278    210,552 
</TABLE>
<TABLE>
<S>    <C>          <C>        <C>          <C>        <C>
 ITEM   EST. COST   FIXED FEE TOTAL CPFF   MAN HOURS     TYPE
0003    $8,528,784   $498,095  $9,026,879    242,203 
0003AA    $446,499    $26,031    $472,530     12,681 RDT&E98
0003AB     $61,423     $3,581     $65,004      1,744 FMS-RAN
0003AC  $1,317,329    $76,801  $1,394,130     37,413 O&MN98
0003AD     $85,048     $4,958     $90,006      2,415 OPN98
0003AE    $188,982    $11,018    $200,000      5,367 SCN91
0003AF          $0         $0          $0          0 WPN
0003AG          $0         $0          $0          0 MISC
0003AH    $236,228    $13,772    $250,000      6,709 SCN94
0003AJ    $426,819    $24,884    $451,703     12,122 SCN96
0003AK    $188,970    $11,017    $199,987      5,367 RDT&E98ETS
0003AL    $208,815    $12,173    $220,988      5,931 SCN93
0003AM     $47,246     $2,754     $50,000      1,342 RDT&E97ETS
0003AN     $28,347     $1,653     $30,000        805 SCN95
0003AP     $37,796     $2,204     $40,000      1,073 SCN97
0003AR     $37,796     $2,204     $40,000      1,073 SCN98
0003AS     $47,245     $2,754     $49,999      1,342 RDT&E-99
0003AT    $850,420    $49,579    $899,999     24,153 O&MN99
0003AU    $236,228    $13,772    $250,000      6,709 SCN99
TOTAL  $12,973,975   $757,250 $13,731,225    368,449 
</TABLE>
<PAGE>

N00024-97-C-6431
                                                           P00041
                                                      PAGE 3 OF 3


8.   Under Section C, SPECIFICATION OR STATEMENT OR WORK, add the
     following for Item 0003AU.

Items 0003AA, 0003AB, 0003AC, 0003AD, 0003AE, 0003AH, 0003AJ,
0003AK, 0003AL, 0003AM, 0003AN, 0003AP, 0003AR, 0003AS, 0003AT
and 0003AU - The contractor shall perform all work required under
Technical Instructions 38223, 37385, 38228, 38220, 38234, 38231,
38244, 38280, 37275, 38254, 38013, 38229, 38262, 38291, 38290,
39296, 38010, 38316, 38326, 59015, 38010(D), and 59026 and 59014.

Under Section F, DELIVERIES OR PERIOD OF PERFORMANCE, add the
following for Item 0003AU.

Item 0003AU - The Contractor shall provide the required services
for this item from the date of this modification through 26
February 1999.

9.   In accordance with the LIMITATION OF COSTS clauses, as
     listed in the attached financial accounting data sheet, funding
     in the amount of $250,000.00 is hereby added as follows:


<TABLE>
<S>     <C>         <C>         <C>        <C>        <C>
 ITEM   EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS     TYPE
0003AS    $236,228    $13,772    $250,000      6,709 SCN-99
</TABLE>

10.  As a result of this modification the total amount funded to
     date is increased by $250,000.00 from $11,718,024.00 to
     $11,968,024.00.  As a result of this modification, the total
     estimated value of this contract is remains unchanged as
     $20,995,503 ($19,838,066 estimated cost and $1,157,437 fixed
     fee).  Accordingly, Contract N00024-97-C-6431 is hereby modified
     as follows:

<PAGE>
<TABLE>
<S>                     <C>                  <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N00024-97-C-6431                                 P00041
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AU            DG          1791711        2317           252
<S>                                 <C>


                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
    N0002499FR60133
    TAR 59014
- -----------------------------------------------------------------
G.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT      PAA      COST CODE
                   (CRITICAL)                  PROJ          PDLI
                                               UNIT   MCC   & SUF
_________________________________________________________________

WB      WTL    0    068342     2D     000000   23168  400    0001
- -----------------------------------------------------------------
9.   AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

   $250,000.00                     N0002499PD21570


PAGE TOTAL     $250,000.00

GRAND TOTAL    $250,000.00

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

PREPARED/AUTHORIZED BY:

/S/TAMMY SAMUELS
TAMMY SAMUELS, SEA 05F

DATE:     11/25/98


COMPTROLLER APPROVAL:


SIGNATURE     /S/V. JEFFERSON
              V. JEFFERSON
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER

DATE:

12/22/98
- -----------------------------------------------------------
</TABLE>
<PAGE>
<TABLE>
<S>                                                   <C>
- -----------------------------------------------------------------
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
1. CONTRACT ID CODE                    PAGE OF PAGES
         U                               1       3
- -----------------------------------------------------------------
2.   AMENDMENT/MODIFICATION NO.           3. EFFECTIVE DATE
         P00042                             SEE BLK 16C.

4. REQUISITION/PURCHASE REQ. NO.          5. PROJECT NO.
      N00024-99-FR-60138                     9-05F-60138
- -----------------------------------------------------------------
6. ISSUED BY CODE N00024 7. ADMINISTERED BY(If other than Item 6)
                                                   CODE  S3305A

NAVAL SEA SYSTEMS COMMAND                 DCMC SYRACSE BUFFALO
2531 JEFFERSON DAVIS HIGHWAY              1103 FEBERAL BUILDING
ARLINGTON VA 22242-5160                   111 WEST HURRON STREET
BUYER/SYMBOL: L COOPER/0251               BUFFALO, NY 14202
PHONE: Area Code 703/602-8105, EXT. 516
- -----------------------------------------------------------------
8.   NAME AND ADDRESS OF CONTRACTOR (No., street, county, State
  and
   ZIP Code)
                                |   |9A. AMENDMENT OF
                                |   |    SOLICITATION NO.
                                |   |---------------------------
CEC NO: 07-779-9799             |   |9B.  DATED (SEE ITEM 11)
                                |   |
COMPTEK FEDERAL SYSTEMS, INC.   |   |---------------------------
2732 TRANSIT ROAD               |(X)|10A. MODIFICATION OF
BUFFALO, NY 14224-2523          |   |     CONTRACT/ORDER NO.
                                |   |     N00024-97-C-6431
                                |   |---------------------------
TIN NO: 16-1411419              |   |10B.  DATED (SEE ITEM 13)
- --------------------------------|   |        30 APRIL 1990
 CODE OTTJ6 | FACILITY CODE  0  |   |


11. THIS ITEM ONLY APPLIES TO AMENDMENT OF SOLICITATIONS

[   ] The above numbered solicitation is amended as set forth in
Item 14.  The hour and date specified for receipt of Offer [   ]
is extended, [  ] is not extended. Offers must acknowledge
receipt of this amendment prior to the hour and date specified in
the solicitation or as amended, by one of the following methods:
(a)By competing items 8 and 15, and returning ___ copies of the
amendment; (b) By acknowledging receipt of this amendment on each
copy of the offer submitted; or (c) By separate Letter or
telegram which includes a reference to the solicitation and
amendment numbers.  FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED
AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE
HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR
OFFER.  If by virtue of this amendment you desire to change and
offer already submitted, such change may be made by telegram or
Letter, provided each telegram or letter makes reference to the
solicitation and this amendment, and is received prior to the
opening hour and date specified.

12.  ACCOUNTING AND APPROPRIATION DATA
     SEE ATTACHED FINANCIAL ACCOUNTING DATA SHEETS
- -----------------------------------------------------------------
13.  THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
    CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO. AS
    DESCRIBED IN ITEM 14.
- -----------------------------------------------------------------
     | A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify
     |    authority) THE CHANGES
     |    SET FORTH IN ITEM 14 ARE MADE IN THE
     |    CONTRACT ORDER NO.  IN ITEM 10A.
- -----------------------------------------------------------------
     | B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
     |    REFLECT THE ADMINISTRATIVE
     |    CHANGES (such as changes in paying office,
     |    appropriation date, etc.) SET FORTH
     |    IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43,103(b).
- -----------------------------------------------------------------
     | C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO
     |    AUTHORITY OF:
     |
- -----------------------------------------------------------------
     | D. OTHER (Specify type of modification and authority)
 X   |    UNILATERAL MODIFICATION PERSUANT SECTION H-2,
     |    ALLOTMENT OF FUNDS
- -----------------------------------------------------------------
E.   IMPORTANT: Contractor [X] is not, [ ] is required to sign
  this document and return __ copies to the issuing office.

- -----------------------------------------------------------------
14.  DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF
  section headings, including solicitation/contract subject matter
  where feasible.)

                          SEE PAGE 2

                          RDT&E-99-ETS
                         C-9018/TAR59040
                                
Except as provided herein, all terms and conditions of the
document referenced in item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.
- -----------------------------------------------------------------
15A.  NAME AND TITLE OF SIGNER (Type or print)

16A.  NAME AND TITLE OF CONTRACTING OFFICER (Type or print)
          ANN VAN HOUTEN
          CONTRACTING OFFICER
- -----------------------------------------------------------------
15B.  CONTRACTOR/OFFEROR                    15C.  DATE SIGNED

Signature of person authorized to sign

16A. ANN VAN HOUTEN
     CONTRACTING OFFICER

16B.  UNITED STATES OF AMERICA       |        16C.  DATE SIGNED
      By /S/ANN VAN HOUTON                        1/4/99
- -----------------------------------------------------------------
(Signature of Contracting officer)   |
- -----------------------------------------------------------------
NSN 7540-01-152-8070
PREVIOUS EDITION UNUSABLE
STANDARD FORM 30 (REV. 10-83)
Prescribed by GSA
</TABLE>
<PAGE>
                                                 N00024-97-C-6431
                                                           P00042
                                                      PAGE 2 OF 3
                                                                 
The purpose of this modification is to fully fund Item 0003AS, in
the amount of $189,689.00.  As a result of this modification the
amount funded to date is increased by $189,860.00 from
$11,968,024.00 to $12,157,893.00.  As a result of this
modification, the total estimated value of this contract remains
unchanged at $20,995,503 ($19,838,066 estimated cost and
$1,157,437 fixed fee).  Accordingly, Contract N00024-97-C-6431 is
hereby modified as follows:

1.   Under Section B, SUPPLIES OR SERVICES and PRICES/COSTS,
  replace Items 0001 and 0003 with the following ceilings:
<TABLE>
<S>       <C>         <C>     <C>            <C>  <C>
 ITEM   EST. COST    FIXED   TOTAL CPFF    MAN    TYPE
                      FEE                 HOURS
0001            $0        $0         $0        0  
0001AA     $50,084    $2,920    $53,004    1,548  RDT&E 97
0001AB          $0        $0         $0        0  FMS
0001AC          $0        $0         $0        0  O&MN 97
0001AD    $579,240   $33,770   $613,010   16,913  OPN 97
0001AE    $333,878   $19,519   $353,397    9,749  SCN 97
0001AF          $0        $0         $0        0  WPN 97
0001AG     $30,057    $1,743    $31,800      929  MISC
0001AH  $1,653,557   $90,398 $1,749,955   48,281  O&MN 98
0001AJ    $884,318   $51,544   $935,862   27,326  RDT&E 98-ETS
0001AK    $112,070    $6,532   $118,602    3,463  SCN 93
0001AL  $1,795,476  $104,661 $1,900,137   55,481  SCN 96
0001AM    $278,683   $16,247   $294,930    8,612  RDT&E 98
0001AN    $529,143   $30,849   $559,992   16,351  OPN 98
0001AP     $12,254      $714    $12,968      379  SCN 91
0001AR    $463,594   $27,027   $490,621   14,325  SCN 94
0001AS    $141,737    $8,263   $150,000    4,139    NON-SERVER
 TOTAL  $6,864,091  $400,187 $7,264,278  210,552              
</TABLE>
<TABLE>
<S>       <C>        <C>       <C>           <C>    <C>
ITEM   EST. COST     FIXED    TOTAL CPFF    MAN    TYPE
                      FEE                  HOURS
0003    $8,349,375  $487,635  $ 8,837,010 237,108  
0003AA    $446,499   $26,031     $472,530 12,681   RDT&E 98
0003AB     $61,423    $3,581      $65,004   1,744  FMS-RAN
0003AC  $1,317,329   $76,801   $1,394,130  37,413  O&MN 98
0003AD      85,048     4,958       90,006   2,415  OPN 98
0003AE    $188,982   $11,018     $200,000   5,367  SCN 91
0003AF          $0        $0           $0       0  WPN
0003AG          $0        $0           $0       0  MISC
0003AH    $236,228   $13,772     $250,000   6,709  SCN 94
0003AJ    $426,819   $24,884     $451,703  12,122  SCN 96
0003AK    $188,970   $11,017     $199,987   5,367  RDT&E98(ETS)
0003AL    $208,815   $12,173     $220,988   5,931  SCN 93
0003AM     $47,246    $2,754      $50,000   1,342  RDT&E97(ETS)
0003AN     $28,347    $1,653      $30,000     805  SCN 95
0003AP     $37,796    $2,204      $40,000   1,073  SCN 97
0003AR     $37,796    $2,204      $40,000   1,073  SCN 98
0003AS    $226,654  $13,314      $239,868   6,437  RDT&E99(ETS)
0003AT    $850,420  $ 49,579     $899,999  24,153  O&MN 99
0003AU    $236,228   $13,772     $250,000   6,709  SCN 99
TOTAL  $12,973,975  $757,250  $13,731,225 368,449  
                                                   
</TABLE>
                                                 N00024-97-C-6431
                                                           P00042
                                                      PAGE 3 OF 3

2.   Under Section C, SPECIFICATION OR STATEMENT OF WORK, add the
following for Item 0003AS.

Items 0003AA, 0003AB, 0003AC, 0003AD, 0003AE,0003AH,
0003AJ,000AK,000AL,0003AM,0003AN,0003AP,0003AR,0003AS, 0003AT and
0003AU - The contractor shall perform all work required under
Technical Instructions 38223, 37385, 38228, 38220, 38234, 38231,
38244, 38280, 37275, 38254, 38013, 38229,38262, 38291,
38290,39296,38010,38316,38326,59015,38010(D),59026,59014,59040
and 59048.

Under Section F, DELIVERIES OR PERIOD OF PERFORMANCE, add the
following for Item 0003AS.

Item 0003AS - The Contractor shall provide the required services
for this item from the date of this modification through 30
September 1999.

3.  In accordance with the LIMITATION OF COST clauses, as listed
in the attached financial accounting data sheet, funding in the
amount of $189,869.00 is hereby added as follows:
<TABLE>
<S>       <C>       <C>         <C>          <C>       <C>
ITEM    EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS  TYPE
0003AS  $179,409    $ 10,460   $ 189,869   5,095    RDT&E-99(ETS)
</TABLE>
4.   As a result of this modification the total amount funded to
  date is increased by $189,869.00 from $11,968,024.00 to
  $12,157,893.00.  As a result of this modification, the total
  estimated value of this contract remains unchanged as $20,995,503
  ($19,838,066 estimated cost and $1,157,437 fixed fee).
  Accordingly, Contract N00024-97-C-6431 is hereby modified as
  follows:

<TABLE>
<S>                      <C>                 <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N0002497C6431                               P00042
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AS         DH             1791319        84TA           251

<S>                                 <C>
                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
N0002499FR60138  TAR 59040
- -----------------------------------------------------------------
E.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT    PAA      COST CODE    PDLI
                 (CRITICAL)             PROJ UNIT  MCC   & SUF
SA     S5D     0  068342      2D   980360   S0164  ETS    ETSO
- ----------------------------------------------------------------
7.   AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

$189,869.00                        N0002499AF184TA
                                   PE63582N

PAGE TOTAL     $189,869.00

GRAND TOTAL    $189,869.00
- -----------------------------------------------------------------
PREPARED/AUTHORIZED BY:

               /S/JAMES S. EGELAND
               JAMES S. EGELAND, SEA O5D
               DATE: 11/25/98
COMPTROLLER APPROVAL:

SIGNATURE     /S/JEFFREY L. PRITCHETT
              J. L. PRITCHETT
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER
DATE:

12/23/98
- -----------------------------------------------------------
</TABLE>

<PAGE>
<TABLE>
<S>                                                   <C>
- -----------------------------------------------------------------
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
1. CONTRACT ID CODE                    PAGE OF PAGES
         U                               1       3
- -----------------------------------------------------------------
2.   AMENDMENT/MODIFICATION NO.           3. EFFECTIVE DATE
         P00043                             SEE BLK 16C.

4. REQUISITION/PURCHASE REQ. NO.          5. PROJECT NO.
      N00024-99-FR-60143                      9-05F-60143
- -----------------------------------------------------------------
6. ISSUED BY CODE N00024 7. ADMINISTERED BY(If other than Item 6)
                                                   CODE  S3305A

NAVAL SEA SYSTEMS COMMAND                 DCMC SYRACSE BUFFALO
2531 JEFFERSON DAVIS HIGHWAY              1103 FEBERAL BUILDING
ARLINGTON VA 22242-5160                   111 WEST. HURRON STREET
BUYER/SYMBOL: L COOPER/0251               BUFFALO, NY 14202
PHONE: Area Code 703/602-8105, EXT. 516
- -----------------------------------------------------------------
9.   NAME AND ADDRESS OF CONTRACTOR (No., street, county, State
  and
   ZIP Code)
                                |   |9A. AMENDMENT OF
                                |   |    SOLICITATION NO.
                                |   |---------------------------
CEC NO: 07-779-9799             |   |9B.  DATED (SEE ITEM 11)
                                |   |
COMPTEK FEDERAL SYSTEMS, INC.   |   |---------------------------
2732 TRANSIT ROAD               |(X)|10A. MODIFICATION OF
BUFFALO, NY 14224-2523          |   |     CONTRACT/ORDER NO.
                                |   |     N00024-97-C-6431
                                |   |---------------------------
TIN NO: 16-1411419              |   |10B.  DATED (SEE ITEM 13)
- --------------------------------|   |        30 APRIL 1990
 CODE OTTJ6 | FACILITY CODE  0  |   |


11. THIS ITEM ONLY APPLIES TO AMENDMENT OF SOLICITATIONS

[   ] The above numbered solicitation is amended as set forth in
Item 14.  The hour and date specified for receipt of Offer [   ]
is extended, [  ] is not extended. Offers must acknowledge
receipt of this amendment prior to the hour and date specified in
the solicitation or as amended, by one of the following methods:
(a)By competing items 8 and 15, and returning ___ copies of the
amendment; (b) By acknowledging receipt of this amendment on each
copy of the offer submitted; or (c) By separate Letter or
telegram which includes a reference to the solicitation and
amendment numbers.  FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED
AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE
HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR
OFFER.  If by virtue of this amendment you desire to change and
offer already submitted, such change may be made by telegram or
Letter, provided each telegram or letter makes reference to the
solicitation and this amendment, and is received prior to the
opening hour and date specified.

12.  ACCOUNTING AND APPROPRIATION DATA
     SEE ATTACHED FINANCIAL ACCOUNTING DATA SHEETS
- -----------------------------------------------------------------
14.  THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
    CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO. AS
    DESCRIBED IN ITEM 14.
- -----------------------------------------------------------------
     | A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify
     |    authority) THE CHANGES
     |    SET FORTH IN ITEM 14 ARE MADE IN THE
     |    CONTRACT ORDER NO.  IN ITEM 10A.
- -----------------------------------------------------------------
     | B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
     |    REFLECT THE ADMINISTRATIVE
     |    CHANGES (such as changes in paying office,
     |    appropriation date, etc.) SET FORTH
     |    IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43,103(b).
- -----------------------------------------------------------------
     | C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO
     |    AUTHORITY OF:
     |
- -----------------------------------------------------------------
     | D. OTHER (Specify type of modification and authority)
 X   |    UNILATERAL MODIFICATION PERSUANT SECTION H-2,
     |    ALLOTMENT OF FUNDS
- -----------------------------------------------------------------
F.   IMPORTANT: Contractor [X] is not, [ ] is required to sign
  this document and return __ copies to the issuing office.

- -----------------------------------------------------------------
15.  DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF
  section headings, including solicitation/contract subject matter
  where feasible.)

                          SEE PAGE 2

                              SCN94
                              SCN96
                        C-9001/TAR 59047
                                
Except as provided herein, all terms and conditions of the
document referenced in item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.
- -----------------------------------------------------------------
15A.  NAME AND TITLE OF SIGNER (Type or print)

16A.  NAME AND TITLE OF CONTRACTING OFFICER (Type or print)
          ANN VAN HOUTEN
          CONTRACTING OFFICER
- -----------------------------------------------------------------
15B.  CONTRACTOR/OFFEROR                    15C.  DATE SIGNED

Signature of person authorized to sign

16A. ANN VAN HOUTEN
     CONTRACTING OFFICER

16B.  UNITED STATES OF AMERICA       |        16C.  DATE SIGNED
      By /S/ANN VAN HOUTON                        1/4/99
- -----------------------------------------------------------------
(Signature of Contracting officer)   |
- -----------------------------------------------------------------
NSN 7540-01-152-8070
PREVIOUS EDITION UNUSABLE
STANDARD FORM 30 (REV. 10-83)
Prescribed by GSA
</TABLE>
<PAGE>

                                                 N00024-97-C-6431
                                                           P00043
                                                      PAGE 2 OF 3
                                                                 
The purpose of this modification is to fully fund Item 0003AH and
0003AJ, in the amount of $225,000.00.  As a result of this
modification the amount funded to date is increased by
$225,000.00 from $12,157,893.00 to $12,382,893.00  As a result of
this modification, the total estimated value of this contract
remains unchanged at $20,995,503 ($19,838,066 estimated cost and
$1,157,437 fixed fee).  Accordingly, Contract N00024-97-C-6431 is
hereby modified as follows:

2.   Under Section B, SUPPLIES OR SERVICES and PRICES/COSTS,
  replace Items 0001 and 0003 with the following ceilings:
<TABLE>
<S>       <C>         <C>      <C>           <C>  <C>
 ITEM   EST. COST    FIXED   TOTAL CPFF    MAN    TYPE
                      FEE                 HOURS
0001            $0        $0         $0        0  
0001AA     $50,084    $2,920    $53,004    1,548  RDT&E 97
0001AB          $0        $0         $0        0  FMS
0001AC          $0        $0         $0        0  O&MN 97
0001AD    $579,240   $33,770   $613,010   16,913  OPN 97
0001AE    $333,878   $19,519   $353,397    9,749  SCN 97
0001AF          $0        $0         $0        0  WPN 97
0001AG     $30,057    $1,743    $31,800      929  MISC
0001AH  $1,653,557   $90,398 $1,749,955   48,281  O&MN 98
0001AJ    $884,318   $51,544   $935,862   27,326  RDT&E 98-ETS
0001AK    $112,070    $6,532   $118,602    3,463  SCN 93
0001AL  $1,795,476  $104,661 $1,900,137   55,481  SCN 96
0001AM    $278,683   $16,247   $294,930    8,612  RDT&E 98
0001AN    $529,143   $30,849   $559,992   16,351  OPN 98
0001AP     $12,254      $714    $12,968      379  SCN 91
0001AR    $463,594   $27,027   $490,621   14,325  SCN 94
0001AS    $141,737    $8,263   $150,000    4,139    NON-SERVER
 TOTAL  $6,864,091  $400,187 $7,264,278  210,552              
</TABLE>
<TABLE>
<S>       <C>        <C>       <C>           <C>    <C>
ITEM   EST. COST     FIXED    TOTAL CPFF    MAN    TYPE
                      FEE                  HOURS
0003    $8,136,770  $475,240  $ 8,612,010 231,069  
0003AA    $446,499   $26,031     $472,530 12,681   RDT&E 98
0003AB     $61,423    $3,581      $65,004   1,744  FMS-RAN
0003AC  $1,317,329   $76,801   $1,394,130  37,413  O&MN 98
0003AD     $85,048   $ 4,958     $ 90,006   2,415  OPN 98
0003AE    $188,982   $11,018     $200,000   5,367  SCN 91
0003AF          $0        $0           $0       0  WPN
0003AG          $0        $0           $0       0  MISC
0003AH    $354,242   $20,658     $375,000  10,064  SCN 94
0003AJ    $521,310   $30,393     $551,703  14,806  SCN 96
0003AK    $188,970   $11,017     $199,987   5,367  RDT&E98(ETS)
0003AL    $208,815   $12,173     $220,988   5,931  SCN 93
0003AM     $47,246    $2,754      $50,000   1,342  RDT&E97(ETS)
0003AN     $28,347    $1,653      $30,000     805  SCN 95
0003AP     $37,796    $2,204      $40,000   1,073  SCN 97
0003AR     $37,796    $2,204      $40,000   1,073  SCN 98
0003AS    $226,654   $13,314     $239,868   6,437  RDT&E99(ETS)
0003AT    $850,420  $ 49,579     $899,999  24,153  O&MN 99
0003AU    $236,228  $13,772      $250,000   6,709  SCN 99
TOTAL  $12,973,875  $757,250  $13,731,225 368,449  
                                                   
</TABLE>
                                                 N00024-97-C-6431
                                                           P00043
                                                      PAGE 3 OF 3

3.   Under Section C, SPECIFICATION OR STATEMENT OF WORK, add the
following for Item 0003AH and 0003AJ.

Items 0003AA, 0003AB, 0003AC, 0003AD, 0003AE,0003AH,
0003AJ,000AK,000AL,0003AM,0003AN,0003AP,0003AR,0003AS, 0003AT and
0003AU - The contractor shall perform all work required under
Technical Instructions 38223, 37385, 38228, 38220, 38234, 38231,
38244, 38280, 37275, 38254, 38013, 38229,38262, 38291,
38290,39296,38010,38316,38326,59015,38010(D),59026,59014,59040
59048 and 59047.

Under Section F, DELIVERIES OR PERIOD OF PERFORMANCE, add the
following for Item 0003AS.

Item 0003AH - The Contractor shall provide the required services
for this item from the date of this modification through 30
September 1999.

Item 0003AJ - The Contractor shall provide the required services
for this item from the date of this modification through 30
September 1999.


3.  In accordance with the LIMITATION OF COST clauses, as listed
in the attached financial accounting data sheet, funding in the
amount of $225,000.00 is hereby added as follows:
<TABLE>
<S>       <C>       <C>         <C>          <C>       <C>
ITEM    EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS  TYPE

0003AH  $118,114    $ 6,886   $ 125,000   3,355        SCN-94
0003AJ    94,491    $ 5,509   $ 100,000   2,684        SCN-96
         212,605    $12,395    $225,000   6,039
</TABLE>
5.   As a result of this modification the total amount funded to
  date is increased by $225,000.00 from $12,157,893 to
  $12,382,893.00.  As a result of this modification, the total
  estimated value of this contract remains unchanged as $20,995,503
  ($19,838,066 estimated cost and $1,157,437 fixed fee).
  Accordingly, Contract N00024-97-C-6431 is hereby modified as
  follows:

<TABLE>
<S>                      <C>                 <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N0002497C6431                               P00043
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AH         BF             1741611        8386      252
0003AJ         BG             1761711        8386      252

<S>                                 <C>
                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
N0002499FR60143  TAR 59047
- -----------------------------------------------------------------
F.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT    PAA      COST CODE    PDLI
                 (CRITICAL)             PROJ UNIT  MCC   & SUF
YX     WCL     0  068342      2D   000000   22202  429    001A
YX     WCL     0  063842      2D   000000   23027  400    001A
- ----------------------------------------------------------------
8.   AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

$125,000.00                        N0002497PD77020
                                   (LHD 6)
$100,000.00                        N0002497PD77021
                                   (LHD 7)

PAGE TOTAL     $225,000.00

GRAND TOTAL
- -----------------------------------------------------------------
PREPARED/AUTHORIZED BY:

               /S/MARVIN C. ANTHONY
               CDR M. ROSS, USN, SEA 91K1
               DATE: 12/4/98
COMPTROLLER APPROVAL:

SIGNATURE     /S/V. F. JEFFERSON
              V. JEFFERSON
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER

DATE:         12/22/98
- -----------------------------------------------------------
</TABLE>

<PAGE>
<TABLE>
<S>                                                   <C>
- -----------------------------------------------------------------
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
1. CONTRACT ID CODE                    PAGE OF PAGES
         U                               1       3
- -----------------------------------------------------------------
2.   AMENDMENT/MODIFICATION NO.           3. EFFECTIVE DATE
         P00044                             SEE BLK 16C.

4. REQUISITION/PURCHASE REQ. NO.          5. PROJECT NO.
      N00024-99-FR-60144                      9-05F-60144
- -----------------------------------------------------------------
6. ISSUED BY CODE N00024 7. ADMINISTERED BY(If other than Item 6)
                                                   CODE  S3305A

NAVAL SEA SYSTEMS COMMAND                  DCMC SYRACSE BUFFALO
2531 JEFFERSON DAVIS HIGHWAY               1103 FEBERAL BUILDING
ARLINGTON VA 22242-5160                    111 WEST HURRON STREET
BUYER/SYMBOL: L COOPER/0251                BUFFALO, NY 14202
PHONE: Area Code 703/602-8105, EXT. 516
- -----------------------------------------------------------------
10.  NAME AND ADDRESS OF CONTRACTOR (No., street, county, State
  and
   ZIP Code)
                                |   |9A. AMENDMENT OF
                                |   |    SOLICITATION NO.
                                |   |---------------------------
CEC NO: 07-779-9799             |   |9B.  DATED (SEE ITEM 11)
                                |   |
COMPTEK FEDERAL SYSTEMS, INC.   |   |---------------------------
2732 TRANSIT ROAD               |(X)|10A. MODIFICATION OF
BUFFALO, NY 14224-2523          |   |     CONTRACT/ORDER NO.
                                |   |     N00024-97-C-6431
                                |   |---------------------------
TIN NO: 16-1411419              |   |10B.  DATED (SEE ITEM 13)
- --------------------------------|   |        30 APRIL 1990
 CODE OTTJ6 | FACILITY CODE  0  |   |


11. THIS ITEM ONLY APPLIES TO AMENDMENT OF SOLICITATIONS

[   ] The above numbered solicitation is amended as set forth in
Item 14.  The hour and date specified for receipt of Offer [   ]
is extended, [  ] is not extended. Offers must acknowledge
receipt of this amendment prior to the hour and date specified in
the solicitation or as amended, by one of the following methods:
(a)By competing items 8 and 15, and returning ___ copies of the
amendment; (b) By acknowledging receipt of this amendment on each
copy of the offer submitted; or (c) By separate Letter or
telegram which includes a reference to the solicitation and
amendment numbers.  FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED
AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE
HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR
OFFER.  If by virtue of this amendment you desire to change and
offer already submitted, such change may be made by telegram or
Letter, provided each telegram or letter makes reference to the
solicitation and this amendment, and is received prior to the
opening hour and date specified.

12.  ACCOUNTING AND APPROPRIATION DATA
     SEE ATTACHED FINANCIAL ACCOUNTING DATA SHEETS
- -----------------------------------------------------------------
15.  THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
    CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO. AS
    DESCRIBED IN ITEM 14.
- -----------------------------------------------------------------
     | A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify
     |    authority) THE CHANGES
     |    SET FORTH IN ITEM 14 ARE MADE IN THE
     |    CONTRACT ORDER NO.  IN ITEM 10A.
- -----------------------------------------------------------------
     | B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
     |    REFLECT THE ADMINISTRATIVE
     |    CHANGES (such as changes in paying office,
     |    appropriation date, etc.) SET FORTH
     |    IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43,103(b).
- -----------------------------------------------------------------
     | C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO
     |    AUTHORITY OF:
     |
- -----------------------------------------------------------------
     | D. OTHER (Specify type of modification and authority)
 X   |    UNILATERAL MODIFICATION PERSUANT SECTION H-2,
     |    ALLOTMENT OF FUNDS
- -----------------------------------------------------------------
G.   IMPORTANT: Contractor [X] is not, [ ] is required to sign
  this document and return __ copies to the issuing office.

- -----------------------------------------------------------------
16.  DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF
  section headings, including solicitation/contract subject matter
  where feasible.)

                          SEE PAGE 2

                             OPN 99
                        C-9006/TAR 59058
                                
Except as provided herein, all terms and conditions of the
document referenced in item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.
- -----------------------------------------------------------------
15A.  NAME AND TITLE OF SIGNER (Type or print)

16A.  NAME AND TITLE OF CONTRACTING OFFICER (Type or print)
          ANN VAN HOUTEN
          CONTRACTING OFFICER
- -----------------------------------------------------------------
15B.  CONTRACTOR/OFFEROR                    15C.  DATE SIGNED

Signature of person authorized to sign

16A. ANN VAN HOUTEN
     CONTRACTING OFFICER

16B.  UNITED STATES OF AMERICA       |        16C.  DATE SIGNED
      By /S/ANN VAN HOUTON                        1/7/99
- -----------------------------------------------------------------
(Signature of Contracting officer)   |
- -----------------------------------------------------------------
NSN 7540-01-152-8070
PREVIOUS EDITION UNUSABLE
STANDARD FORM 30 (REV. 10-83)
Prescribed by GSA
</TABLE>
<PAGE>

                                                 N00024-97-C-6431
                                                           P00044
                                                      PAGE 2 OF 3
                                                                 
The purpose of this modification is to create Item 0003AV and
fully fund Item 0003AV, in the amount of $195,000.00.  As a
result of this modification the amount funded to date is
increased by $195,000.00 from $12,382,893.00 to $12,577,893.00
As a result of this modification, the total estimated value of
this contract remains unchanged at $20,995,503 ($19,838,066
estimated cost and $1,157,437 fixed fee).  Accordingly, Contract
N00024-97-C-6431 is hereby modified as follows:

3.   Under Section B, SUPPLIES OR SERVICES and PRICES/COSTS,
  replace Items 0001 and 0003 with the following ceilings:
<TABLE>
<S>       <C>         <C>     <C>            <C>  <C>
 ITEM   EST. COST    FIXED   TOTAL CPFF    MAN    TYPE
                      FEE                 HOURS
0001            $0        $0         $0        0  
0001AA     $50,084    $2,920    $53,004    1,548  RDT&E 97
0001AB          $0        $0         $0        0  FMS
0001AC          $0        $0         $0        0  O&MN 97
0001AD    $579,240   $33,770   $613,010   16,913  OPN 97
0001AE    $333,878   $19,519   $353,397    9,749  SCN 97
0001AF          $0        $0         $0        0  WPN 97
0001AG     $30,057    $1,743    $31,800      929  MISC
0001AH  $1,653,557   $90,398 $1,749,955   48,281  O&MN 98
0001AJ    $884,318   $51,544   $935,862   27,326  RDT&E 98-ETS
0001AK    $112,070    $6,532   $118,602    3,463  SCN 93
0001AL  $1,795,476  $104,661 $1,900,137   55,481  SCN 96
0001AM    $278,683   $16,247   $294,930    8,612  RDT&E 98
0001AN    $529,143   $30,849   $559,992   16,351  OPN 98
0001AP     $12,254      $714    $12,968      379  SCN 91
0001AR    $463,594   $27,027   $490,621   14,325  SCN 94
0001AS    $141,737    $8,263   $150,000    4,139    NON-SERVER
 TOTAL  $6,864,091  $400,187 $7,264,278  210,552              
</TABLE>
<TABLE>
<S>       <C>       <C>       <C>            <C>    <C>
ITEM   EST. COST     FIXED    TOTAL CPFF    MAN    TYPE
                      FEE                  HOURS
0003    $7,952,512  $464,498  $ 8,417,010 225,836  
0003AA    $446,499   $26,031     $472,530  12,681  RDT&E 98
0003AB     $61,423    $3,581      $65,004   1,744  FMS-RAN
0003AC  $1,317,329   $76,801   $1,394,130  37,413  O&MN 98
0003AD     $85,048   $ 4,958     $ 90,006   2,415  OPN 98
0003AE    $188,982   $11,018     $200,000   5,367  SCN 91
0003AF          $0        $0           $0       0  WPN
0003AG          $0        $0           $0       0  MISC
0003AH    $354,242   $20,658     $375,000  10,064  SCN 94
0003AJ    $521,310   $30,393     $551,703  14,806  SCN 96
0003AK    $188,970   $11,017     $199,987   5,367  RDT&E98(ETS)
0003AL    $208,815   $12,173     $220,988   5,931  SCN 93
0003AM     $47,246    $2,754      $50,000   1,342  RDT&E97(ETS)
0003AN     $28,347    $1,653      $30,000     805  SCN 95
0003AP     $37,796    $2,204      $40,000   1,073  SCN 97
0003AR     $37,796    $2,204      $40,000   1,073  SCN 98
0003AS    $226,654   $13,314     $239,868   6,437  RDT&E99(ETS)
0003AT    $850,420  $ 49,579     $899,999  24,153  O&MN 99
0003AU    $236,228  $13,772      $250,000   6,709  SCN 99
0003AV    $184,258  $10,742      $195,000   5,223  
TOTAL  $12,973,975  $757,250  $13,731,225 368,449  
                                                   
</TABLE>
                                                 N00024-97-C-6431
                                                           P00044
                                                      PAGE 3 OF 3

4.   Under Section C, SPECIFICATION OR STATEMENT OF WORK, add the
following for Item 0003AV.

Items 0003AA, 0003AB, 0003AC, 0003AD, 0003AE,0003AH,
0003AJ,000AK,000AL,0003AM,0003AN,0003AP,0003AR,0003AS, 0003AT,
0003AU, and 0003AV - The contractor shall perform all work
required under Technical Instructions 38223, 37385, 38228, 38220,
38234, 38231, 38244, 38280, 37275, 38254, 38013, 38229,38262,
38291,38290,39296,38010,38316,38326,59015,38010(D),59026,59014,59
040 59048 and 59047.

Under Section F, DELIVERIES OR PERIOD OF PERFORMANCE, add the
following for Item 0003AV.

Item 0003AV - The Contractor shall provide the required services
for this item from the date of this modification through 30
September 1999.


3.  In accordance with the LIMITATION OF COST clauses, as listed
in the attached financial accounting data sheet, funding in the
amount of $195,000.00 is hereby added as follows:
<TABLE>
<S>       <C>       <C>         <C>          <C>       <C>
ITEM    EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS  TYPE

0003AV  $184,258    $10,742   $ 195,000     5,233      OPN-99
</TABLE>
     This is the SSDS share of the cost associated with this
effort.


6.   As a result of this modification the total amount funded to
  date is increased by $195,000.00 from $12,382,893 to
  $12,557,893.00.. As a result of this modification, the total
  estimated value of this contract remains unchanged as $20,995,503
  ($19,838,066 estimated cost and $1,157,437 fixed fee).
  Accordingly, Contract N00024-97-C-6431 is hereby modified as
  follows:

<TABLE>
<S>                      <C>                 <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N0002497C6431                               P00044
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AV         DJ             1791810        A4UQ            252


<S>                                 <C>
                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
N0002499TR59058  N0002499FR60144
- -----------------------------------------------------------------
G.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT    PAA      COST CODE    PDLI
                 (CRITICAL)             PROJ UNIT  MCC   & SUF
SM     377    0  068342      2D   000000   UQ775  000    E0DJ

- ----------------------------------------------------------------
9.   AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

$195,000.00                        N0002499PDFUQ77


PAGE TOTAL     $195,000.00

GRAND TOTAL    $195,000.00
- -----------------------------------------------------------------
PREPARED/AUTHORIZED BY:

               /
COMPTROLLER APPROVAL:

SIGNATURE     /S/J.M. SEALY
              J.M. SEALY
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER

DATE:         1/6/99
- -----------------------------------------------------------
</TABLE>

<PAGE>
<TABLE>
<S>                                                   <C>
- -----------------------------------------------------------------
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
1. CONTRACT ID CODE                    PAGE OF PAGES
         U                               1       3
- -----------------------------------------------------------------
2.   AMENDMENT/MODIFICATION NO.           3. EFFECTIVE DATE
         P00045                                SEE BLK 16C.

4. REQUISITION/PURCHASE REQ. NO.            5. PROJECT NO.
      N00024-99-FR-60145                    9-05F-60145
- -----------------------------------------------------------------
6. ISSUED BY CODE N00024 7. ADMINISTERED BY(If other than Item 6)
                                                   CODE  S3305A

NAVAL SEA SYSTEMS COMMAND                   DCMC SYRACUSE-BUFFALO
2531 JEFFERSON DAVIS HIGHWAY                1103 FEDERAL BUILDING
ARLINGTON VA 22242-5160                     111 W. HURON STREET
BUYER/SYMBOL: L. COOPER/0251                BUFFALO, NY 14202
PHONE: Area Code 703/602-8105, EXT. 516
- -----------------------------------------------------------------
11.  NAME AND ADDRESS OF CONTRACTOR (No., street, county, State
  and
   ZIP Code)
                                |   |9A. AMENDMENT OF
                                |   |    SOLICITATION NO.
                                |   |---------------------------
CEC NO: 07-799-9799             |   |9B.  DATED (SEE ITEM 11)
                                |   |
COMPTEK FEDERAL SYSTEMS, INC.   |   |---------------------------
2732 TRANSIT ROAD               |(X)|10A. MODIFICATION OF
BUFFALO, NY 14224-2523          |   |     CONTRACT/ORDER NO.
                                |   |     N00024-97-C-6431
                                |   |---------------------------
TIN NO: 16-1411419              |   |10B.  DATED (SEE ITEM 13)
- --------------------------------|   |        30 APRIL 1990
 CODE OTTJ6 |  FACILITY CODE    |   |

     11. THIS ITEM ONLY APPLIES TO AMENDMENT OF SOLICITATIONS

[   ] The above numbered solicitation is amended as set forth in
Item 14.  The hour and date specified for receipt of Offer [   ]
is extended, [  ] is not extended. Offers must acknowledge
receipt of this amendment prior to the hour and date specified in
the solicitation or as amended, by one of the following methods:
(d)  By competing items 8 and 15, and returning ___ copies of the
amendment; (b) By acknowledging receipt of this amendment on each
copy of the offer submitted; or (c) By separate Letter or
telegram which includes a reference to the solicitation and
amendment numbers.  FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED
AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE
HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR
OFFER.  If by virtue of this amendment you desire to change and
offer already submitted, such change may be made by telegram or
Letter, provided each telegram or letter makes reference to the
solicitation and this amendment, and is received prior to the
opening hour and date specified.

12.  ACCOUNTING AND APPROPRIATION DATA
     SEE ATTACHED FINANCIAL ACCOUNTING DATA SHEETS
- -----------------------------------------------------------------
16.  THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
    CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO. AS
    DESCRIBED IN ITEM 14.
- -----------------------------------------------------------------
     | A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify
     |    authority) THE CHANGES
     |    SET FORTH IN ITEM 14 ARE MADE IN THE
     |    CONTRACT ORDER NO.  IN ITEM 10A.
- -----------------------------------------------------------------
     | B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
     |    REFLECT THE ADMINISTRATIVE
     |    CHANGES (such as changes in paying  office,
     |    appropriation date, etc.) SET FORTH
     |    IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43,103(b).
- -----------------------------------------------------------------
     | C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO
     |    AUTHORITY OF:
     |
- -----------------------------------------------------------------
     | D. OTHER (Specify type of modification and authority)
 x   |    UNILATERAL MODIFICATION PURSUANT TO CLAUSE H-2,
     |    ALLOTMENT OF FUNDS
- -----------------------------------------------------------------
H.   IMPORTANT: Contractor [X] is not, [  ] is required to sign
  this document and return 2 copies to the issuing office.

- -----------------------------------------------------------------
17.  DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF
  section headings, including solicitation/contract subject matter
  where feasible.)


                          SEE PAGE 2

                        C-9028/TAR 59072
                          RDT&E-99-ETS

Except as provided herein, all terms and conditions of the
document referenced in item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.
- -----------------------------------------------------------------
15A.  NAME AND TITLE OF SIGNER (Type or print)


16A.  NAME AND TITLE OF CONTRACTING OFFICER (Type or print)
          ANN VAN HOUTEN
          CONTRACTING OFFICER
- -----------------------------------------------------------------
15B.  CONTRACTOR/OFFEROR                    15C.  DATE SIGNED


Signature of person authorized to sign

16B.  UNITED STATES OF AMERICA       |        16C.  DATE SIGNED
      By /s/ANN VAN HOUTEN
- -----------------------------------------------------------------
(Signature of Contracting officer)   |            1/8/99
- -----------------------------------------------------------------
PREVIOUS EDITION UNUSABLE          30-105
STANDARD FORM 30 (REV. 10-83)
Prescribed by GSA
</TABLE>
<PAGE>

N00024-97-C-6431
                                                           P00045
                                                      PAGE 2 OF 3
                                                                 
The purpose of this modification is to fully fund Items 0003AS in
the amount of $49,990.00.  As a result of this modification the
amount funded to date is increased by $49,990.00 from
$12,577,893.00 to $12,627,883.00.  As a result of this
modification, the total estimated value of this contract remains
unchanged at $20,995,503 ($19,838,066 estimated cost and
$1,157,437 fixed fee).  Accordingly, Contract N00024-97-C-6431 is
hereby modified as follows:

3.   Under Section B, SUPPLIES OR SERVICES and PRICES/COSTS,
     replace Items 0001 and 0003 with the following ceilings:

<TABLE>
<S>     <C>         <C>         <C>        <C>        <C>
 ITEM   EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS     TYPE
0001            $0         $0          $0          0 
0001AA     $50,084     $2,920     $53,004      1,548 RDT&E97
0001AB          $0         $0          $0          0 FMS
0001AC          $0         $0          $0          0 O&MN97
0001AD    $579,240    $33,770    $613,010     16,913 OPN97
0001AE    $333,878    $19,519    $353,397      9,749 SCN97
0001AF          $0         $0          $0          0 WPN97
0001AG     $30,057     $1,743     $31,800        929 MISC
0001AH  $1,653,557    $90,398  $1,749,955     48,281 O&MN98
0001AJ    $884,318    $51,544    $935,862     27,326 RDT&E98-ETS
0001AK    $112,070     $6,532    $118,602      3,463 SCN93
0001AL  $1,795,476   $104,661  $1,900,137     55,481 SCN96
0001AM    $278,683    $16,247    $294,930      8,612 RDT&E98
0001AN    $529,143    $30,849    $559,992     16,351 OPN98
0001AP     $12,254       $714     $12,968        379 SCN91
0001AR    $463,594    $27,027    $490,621     14,325 SCN94
0001AS    $141,737     $8,263    $159,000      4,139 NON-SEVER
TOTAL   $6,864,091   $400,187  $7,264,278    210,552 
</TABLE>
<TABLE>
<S>    <C>          <C>        <C>          <C>        <C>
 ITEM   EST. COST   FIXED FEE TOTAL CPFF   MAN HOURS     TYPE
0003    $7,905,276   $461,744  $8,367,020    224,494 
0003AA    $446,499    $26,031    $472,530     12,681 RDT&E98
0003AB     $61,423     $3,581     $65,004      1,744 FMS-RAN
0003AC  $1,317,329    $76,801  $1,394,130     37,413 O&MN98
0003AD     $85,048     $4,958     $90,006      2,415 OPN98
0003AE    $188,982    $11,018    $200,000      5,367 SCN91
0003AF          $0         $0          $0          0 WPN
0003AG          $0         $0          $0          0 MISC
0003AH    $354,342    $20,658    $375,000     10,064 SCN94
0003AJ    $521,310    $30,393    $551,703     14,806 SCN96
0003AK    $188,970    $11,017    $199,987      5,367 RDT&E98ETS
0003AL    $208,815    $12,173    $220,988      5,931 SCN93
0003AM     $47,246     $2,754     $50,000      1,342 RDT&E97ETS
0003AN     $28,347     $1,653     $30,000        805 SCN95
0003AP     $37,796     $2,204     $40,000      1,073 SCN97
0003AR     $37,796     $2,204     $40,000      1,073 SCN98
0003AS    $273,890    $15,968    $289,858      7,779 RDT&E-99
0003AT    $850,420    $49,579    $899,999     24,153 O&MN99
0003AU    $236,228    $13,772    $250,000      6,709 SCN99
0003AV    $184,258    $10,742    $195,000      5,223 OPN-99
TOTAL  $12,973,975   $757,250 $13,731,225    368,449 
</TABLE>
<PAGE>

N00024-97-C-6431
                                                           P00041
                                                      PAGE 3 OF 3


11.  Under Section C, SPECIFICATION OR STATEMENT OR WORK, add the
     following for Item 0003AU.

Items 0003AA, 0003AB, 0003AC, 0003AD, 0003AE, 0003AH, 0003AJ,
0003AK, 0003AL, 0003AM, 0003AN, 0003AP, 0003AR, 0003AS, 0003AT
and 0003AU -- The contractor shall perform all work required
under Technical Instructions 38223, 37385, 38228, 38220, 38234,
38231, 38244, 38280, 37275, 38254, 38013, 38229, 38262, 38291,
38290, 39296, 38010, 38316, 38326, 59015, 38010(D), 59026, 59014,
59040, 59048, 59047 and 59072.


12.  In accordance with the LIMITATION OF COSTS clauses, as
     listed in the attached financial accounting data sheet, funding
     in the amount of $49,990.00 is hereby added as follows:


<TABLE>
<S>     <C>         <C>         <C>        <C>        <C>
 ITEM   EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS     TYPE
0003AS     $47,236     $2,754     $49,990      1,342 RDT&E-99-
                                                     ETS
                                                     
</TABLE>

13.  As a result of this modification the total amount funded to
     date is increased by $49,990.00 from $12,577,893 to
     $12,627,883.00.  As a result of this modification, the total
     estimated value of this contract is remains unchanged as
     $20,995,503 ($19,838,066 estimated cost and $1,157,437 fixed
     fee).  Accordingly, Contract N00024-97-C-6431 is hereby modified
     as follows:

<PAGE>
<TABLE>
<S>                     <C>                  <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N00024-97-C-6431                                 P00045
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AS            DH          1791319        84TA           251
<S>                                 <C>


                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
    N0002499FR60145
    TAR 59072
- -----------------------------------------------------------------
H.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT      PAA      COST CODE
                   (CRITICAL)                  PROJ          PDLI
                                               UNIT   MCC   & SUF
_________________________________________________________________

SA      S5D    0    068342     2D     980360   S0164  ETS    ETS0
- -----------------------------------------------------------------
10.  AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

   $49,990.00                      N0002499AF184TA


PAGE TOTAL     $49,990.00

GRAND TOTAL    $49,990.00

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

PREPARED/AUTHORIZED BY:

/S/JAMES S. EGELAND
JAMES S. EGELAND, SEA 05D

DATE:     12/14/98


COMPTROLLER APPROVAL:


SIGNATURE     /S/J.L. PRITCHETT
              J.L. PRITCHETT
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER

DATE:

1/7/99
- -----------------------------------------------------------
</TABLE>
<PAGE>
<TABLE>
<S>                                                   <C>
- -----------------------------------------------------------------
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
1. CONTRACT ID CODE                    PAGE OF PAGES
         U                               1       3
- -----------------------------------------------------------------
2.   AMENDMENT/MODIFICATION NO.           3. EFFECTIVE DATE
         P00046                             SEE BLK 16C.

4. REQUISITION/PURCHASE REQ. NO.          5. PROJECT NO.
      N00024-99-FR-60150                      9-05F-60150
- -----------------------------------------------------------------
6. ISSUED BY CODE N00024 7. ADMINISTERED BY(If other than Item 6)
                                                   CODE  S3305A

NAVAL SEA SYSTEMS COMMAND                  DCMC SYRACSE BUFFALO
2531 JEFFERSON DAVIS HIGHWAY               1103 FEBERAL BUILDING
ARLINGTON VA 22242-5160                    111 WEST HURRON STREET
BUYER/SYMBOL: L COOPER/0251                BUFFALO, NY 14202
PHONE: Area Code 703/602-8105, EXT. 516
- -----------------------------------------------------------------
11.  NAME AND ADDRESS OF CONTRACTOR (No., street, county, State
  and
   ZIP Code)
                                |   |9A. AMENDMENT OF
                                |   |    SOLICITATION NO.
                                |   |---------------------------
CEC NO: 07-779-9799             |   |9B.  DATED (SEE ITEM 11)
                                |   |
COMPTEK FEDERAL SYSTEMS, INC.   |   |---------------------------
2732 TRANSIT ROAD               |(X)|10A. MODIFICATION OF
BUFFALO, NY 14224-2523          |   |     CONTRACT/ORDER NO.
                                |   |     N00024-97-C-6431
                                |   |---------------------------
TIN NO: 16-1411419              |   |10B.  DATED (SEE ITEM 13)
- --------------------------------|   |        30 APRIL 1990
 CODE OTTJ6 | FACILITY CODE  0  |   |


11. THIS ITEM ONLY APPLIES TO AMENDMENT OF SOLICITATIONS

[   ] The above numbered solicitation is amended as set forth in
Item 14.  The hour and date specified for receipt of Offer [   ]
is extended, [  ] is not extended. Offers must acknowledge
receipt of this amendment prior to the hour and date specified in
the solicitation or as amended, by one of the following methods:
(a)By competing items 8 and 15, and returning ___ copies of the
amendment; (b) By acknowledging receipt of this amendment on each
copy of the offer submitted; or (c) By separate Letter or
telegram which includes a reference to the solicitation and
amendment numbers.  FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED
AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE
HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR
OFFER.  If by virtue of this amendment you desire to change and
offer already submitted, such change may be made by telegram or
Letter, provided each telegram or letter makes reference to the
solicitation and this amendment, and is received prior to the
opening hour and date specified.

12.  ACCOUNTING AND APPROPRIATION DATA
     SEE ATTACHED FINANCIAL ACCOUNTING DATA SHEETS
- -----------------------------------------------------------------
16.  THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
    CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO. AS
    DESCRIBED IN ITEM 14.
- -----------------------------------------------------------------
     | A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify
     |    authority) THE CHANGES
     |    SET FORTH IN ITEM 14 ARE MADE IN THE
     |    CONTRACT ORDER NO.  IN ITEM 10A.
- -----------------------------------------------------------------
     | B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
     |    REFLECT THE ADMINISTRATIVE
     |    CHANGES (such as changes in paying office,
     |    appropriation date, etc.) SET FORTH
     |    IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43,103(b).
- -----------------------------------------------------------------
     | C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO
     |    AUTHORITY OF:
     |
- -----------------------------------------------------------------
     | D. OTHER (Specify type of modification and authority)
 X   |    UNILATERAL MODIFICATION PERSUANT TO CLAUSE H-2,
     |    ALLOTMENT OF FUNDS
- -----------------------------------------------------------------
H.   IMPORTANT: Contractor [X] is not, [ ] is required to sign
  this document and return __ copies to the issuing office.

- -----------------------------------------------------------------
17.  DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF
  section headings, including solicitation/contract subject matter
  where feasible.)

                          SEE PAGE 2

                             O&MN 99
                        C-9030/TAR 59074
                                
Except as provided herein, all terms and conditions of the
document referenced in item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.
- -----------------------------------------------------------------
15A.  NAME AND TITLE OF SIGNER (Type or print)

16A.  NAME AND TITLE OF CONTRACTING OFFICER (Type or print)
          ANN VAN HOUTEN
          CONTRACTING OFFICER
- -----------------------------------------------------------------
15B.  CONTRACTOR/OFFEROR                    15C.  DATE SIGNED

Signature of person authorized to sign

16A. ANN VAN HOUTEN
     CONTRACTING OFFICER

16B.  UNITED STATES OF AMERICA       |        16C.  DATE SIGNED
      By /S/ANN VAN HOUTON                        1/8/99
- -----------------------------------------------------------------
(Signature of Contracting officer)   |
- -----------------------------------------------------------------
NSN 7540-01-152-8070
PREVIOUS EDITION UNUSABLE
STANDARD FORM 30 (REV. 10-83)
Prescribed by GSA
</TABLE>
<PAGE>

                                                 N00024-97-C-6431
                                                           P00046
                                                      PAGE 2 OF 3
                                                                 
The purpose of this modification is to fully fund Items 0003AT in
the amount of $399,999.00.  As a result of this modification the
amount funded to date is increased by $399,999.00 from
$12,627,883.00 to $13,027,882.00.  As a result of this
modification the total estimated value of this contract remains
unchanged at $20,995,503 ($19,838,066 estimated cost and
$1,157,437 fixed fee).  Accordingly, Contract N00024-97-C-6431 is
hereby modified as follows:

4.   Under Section B, SUPPLIES OR SERVICES and PRICES/COSTS,
  replace Items 0001 and 0003 with the following ceilings:
<TABLE>
<S>       <C>         <C>     <C>            <C>  <C>
 ITEM   EST. COST    FIXED   TOTAL CPFF    MAN    TYPE
                      FEE                 HOURS
0001            $0        $0         $0        0  
0001AA     $50,084    $2,920    $53,004    1,548  RDT&E 97
0001AB          $0        $0         $0        0  FMS
0001AC          $0        $0         $0        0  O&MN 97
0001AD    $579,240   $33,770   $613,010   16,913  OPN 97
0001AE    $333,878   $19,519   $353,397    9,749  SCN 97
0001AF          $0        $0         $0        0  WPN 97
0001AG     $30,057    $1,743    $31,800      929  MISC
0001AH  $1,653,557   $90,398 $1,749,955   48,281  O&MN 98
0001AJ    $884,318   $51,544   $935,862   27,326  RDT&E 98-ETS
0001AK    $112,070    $6,532   $118,602    3,463  SCN 93
0001AL  $1,795,476  $104,661 $1,900,137   55,481  SCN 96
0001AM    $278,683   $16,247   $294,930    8,612  RDT&E 98
0001AN    $529,143   $30,849   $559,992   16,351  OPN 98
0001AP     $12,254      $714    $12,968      379  SCN 91
0001AR    $463,594   $27,027   $490,621   14,325  SCN 94
0001AS    $141,737    $8,263   $150,000    4,139  NON-SERVER
 TOTAL  $6,864,091  $400,187 $7,264,278  210,552              
</TABLE>
<TABLE>
<S>       <C>        <C>       <C>           <C>    <C>
ITEM   EST. COST     FIXED    TOTAL CPFF    MAN    TYPE
                      FEE                  HOURS
0003    $7,527,312  $439,709  $ 7,967,021 213,759  
0003AA    $446,499   $26,031     $472,530  12,681  RDT&E 98
0003AB     $61,423    $3,581      $65,004   1,744  FMS-RAN
0003AC  $1,317,329   $76,801   $1,394,130  37,413  O&MN 98
0003AD     $85,048   $ 4,958     $ 90,006   2,415  OPN 98
0003AE    $188,982   $11,018     $200,000   5,367  SCN 91
0003AF          $0        $0           $0       0  WPN
0003AG          $0        $0           $0       0  MISC
0003AH    $354,342   $20,658     $375,000  10,064  SCN 94
0003AJ    $521,310   $30,393     $551,703  14,806  SCN 96
0003AK    $188,970   $11,017     $199,987   5,367  RDT&E98(ETS)
0003AL    $208,815   $12,173     $220,988   5,931  SCN 93
0003AM     $47,246    $2,754      $50,000   1,342  RDT&E97(ETS)
0003AN     $28,347    $1,653      $30,000     805  SCN 95
0003AP     $37,796    $2,204      $40,000   1,073  SCN 97
0003AR     $37,796    $2,204      $40,000   1,073  SCN 98
0003AS    $273,890   $15,968     $289,858   7,779  RDT&E99(ETS)
0003AT  $1,228,384  $71,614    $1,299,998  50,039  O&MN 99
0003AU    $236,228  $13,772      $250,000   6,709  SCN 99
0003AV    $184,258  $10,742      $195,000   5,223  OPN- 99
TOTAL  $12,973,975  $757,250  $13,731,225 368,449  
                                                   
</TABLE>
                                                 N00024-97-C-6431
                                                           P00046
                                                      PAGE 3 OF 3

5.   Under Section C, SPECIFICATION OR STATEMENT OF WORK, add the
following for Item 0003AT.

Items 0003AA, 0003AB, 0003AC, 0003AD, 0003AE,0003AH,
0003AJ,000AK,000AL,0003AM,0003AN,0003AP,0003AR,0003AS, 0003AT,
and 0003AU - The contractor shall perform all work required under
Technical Instructions 38223, 37385, 38228, 38220, 38234, 38231,
38244, 38280, 37275, 38254, 38013, 38229,38262,
38291,38290,39296,38010,38316,38326,59015,38010(D),59026,59014,59
040, 59048, 59047,59072, and 59074..


3.  In accordance with the LIMITATION OF COST clauses, as listed
in the attached financial accounting data sheet, funding in the
amount of $399,999.00 is hereby added as follows:

<TABLE>
<S>       <C>       <C>        <C>           <C>       <C>
ITEM    EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS  TYPE

0003AT  $377,964    $22,035   $ 399,999    10,735      O&MN 99
</TABLE>

7.   As a result of this modification the total amount funded to
  date is increased by $399,999.00 from $12,627,883 to
  $13,027,882.00. As a result of this modification, the total
  estimated value of this contract is remains unchanged as
  $20,995,503 ($19,838,066 estimated cost and $1,157,437 fixed
  fee).  Accordingly, Contract N00024-97-C-6431 is hereby modified
  as follows:

<TABLE>
<S>                      <C>                 <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N0002497C6431                               P00046
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AT         DC             1791804        8U6N            252


<S>                                 <C>
                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
N0002499FR60150  TAR 59074
- -----------------------------------------------------------------
H.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT    PAA      COST CODE    PDLI
                 (CRITICAL)             PROJ UNIT  MCC   & SUF
SA    SCL     0  068342      2D   000000    46N05  000    0000

- ----------------------------------------------------------------
10.  AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

$399,999.00                        N0002499RA08U6N


PAGE TOTAL     $399,999.00

GRAND TOTAL    $399,999.00
- -----------------------------------------------------------------
PREPARED/AUTHORIZED BY:

SIGNATURE../S/MICHAEL A. O'NEAL
            MICHAEL A. O'NEAL
            PH (703)602-0647 X600  FAX (703)602-0649

DATE:     12/18/98

COMPTROLLER APPROVAL:

SIGNATURE     /S/S. M. SIMPKINS
              SHIRLEY M. SIMPKINS
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER

DATE:         DEC 23 1998
- -----------------------------------------------------------
</TABLE>

<PAGE>
<TABLE>
<S>                                                   <C>
- -----------------------------------------------------------------
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
1. CONTRACT ID CODE                    PAGE OF PAGES
         U                               1       3
- -----------------------------------------------------------------
2.   AMENDMENT/MODIFICATION NO.           3. EFFECTIVE DATE
         P00047                             SEE BLK 16C.

4. REQUISITION/PURCHASE REQ. NO.          5. PROJECT NO.
      N00024-99-FR-60151                      9-05F-60151
- -----------------------------------------------------------------
6. ISSUED BY CODE N00024 7. ADMINISTERED BY(If other than Item 6)
                                                   CODE  S3305A

NAVAL SEA SYSTEMS COMMAND                  DCMC SYRACSE BUFFALO
2531 JEFFERSON DAVIS HIGHWAY               1103 FEBERAL BUILDING
ARLINGTON VA 22242-5160                    111 WEST HURRON STREET
BUYER/SYMBOL: L COOPER/0251                BUFFALO, NY 14202
PHONE: Area Code 703/602-8105, EXT. 516
- -----------------------------------------------------------------
12.  NAME AND ADDRESS OF CONTRACTOR (No., street, county, State
  and
   ZIP Code)
                                |   |9A. AMENDMENT OF
                                |   |    SOLICITATION NO.
                                |   |---------------------------
CEC NO: 07-779-9799             |   |9B.  DATED (SEE ITEM 11)
                                |   |
COMPTEK FEDERAL SYSTEMS, INC.   |   |---------------------------
2732 TRANSIT ROAD               |(X)|10A. MODIFICATION OF
BUFFALO, NY 14224-2523          |   |     CONTRACT/ORDER NO.
                                |   |     N00024-97-C-6431
                                |   |---------------------------
TIN NO: 16-1411419              |   |10B.  DATED (SEE ITEM 13)
- --------------------------------|   |        30 APRIL 1997
 CODE OTTJ6 | FACILITY CODE  0  |   |


11. THIS ITEM ONLY APPLIES TO AMENDMENT OF SOLICITATIONS

[   ] The above numbered solicitation is amended as set forth in
Item 14.  The hour and date specified for receipt of Offer [   ]
is extended, [  ] is not extended. Offers must acknowledge
receipt of this amendment prior to the hour and date specified in
the solicitation or as amended, by one of the following methods:
(a)By competing items 8 and 15, and returning ___ copies of the
amendment; (b) By acknowledging receipt of this amendment on each
copy of the offer submitted; or (c) By separate Letter or
telegram which includes a reference to the solicitation and
amendment numbers.  FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED
AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE
HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR
OFFER.  If by virtue of this amendment you desire to change and
offer already submitted, such change may be made by telegram or
Letter, provided each telegram or letter makes reference to the
solicitation and this amendment, and is received prior to the
opening hour and date specified.

12.  ACCOUNTING AND APPROPRIATION DATA
     SEE ATTACHED FINANCIAL ACCOUNTING DATA SHEETS
- -----------------------------------------------------------------
17.  THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
    CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO. AS
    DESCRIBED IN ITEM 14.
- -----------------------------------------------------------------
     | A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify
     |    authority) THE CHANGES
     |    SET FORTH IN ITEM 14 ARE MADE IN THE
     |    CONTRACT ORDER NO.  IN ITEM 10A.
- -----------------------------------------------------------------
     | B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
     |    REFLECT THE ADMINISTRATIVE
     |    CHANGES (such as changes in paying office,
     |    appropriation date, etc.) SET FORTH
     |    IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43,103(b).
- -----------------------------------------------------------------
     | C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO
     |    AUTHORITY OF:
     |
- -----------------------------------------------------------------
     | D. OTHER (Specify type of modification and authority)
 X   |    UNILATERAL MODIFICATION PERSUANT TO CLAUSE H-2,
     |    ALLOTMENT OF FUNDS
- -----------------------------------------------------------------
I.   IMPORTANT: Contractor [X] is not, [ ] is required to sign
  this document and return __ copies to the issuing office.

- -----------------------------------------------------------------
18.  DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF
  section headings, including solicitation/contract subject matter
  where feasible.)

SCN 99                       SEE PAGE 2      C-9002/TAR 59069
SCN 94                                       C-9029/TAR 59051
SCN 96
                                
Except as provided herein, all terms and conditions of the
document referenced in item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.
- -----------------------------------------------------------------
15A.  NAME AND TITLE OF SIGNER (Type or print)

16A.  NAME AND TITLE OF CONTRACTING OFFICER (Type or print)
          ANN VAN HOUTEN
          CONTRACTING OFFICER
- -----------------------------------------------------------------
15B.  CONTRACTOR/OFFEROR                    15C.  DATE SIGNED

Signature of person authorized to sign

16A. ANN VAN HOUTEN
     CONTRACTING OFFICER

16B.  UNITED STATES OF AMERICA       |        16C.  DATE SIGNED
      By /S/ANN VAN HOUTON                        1/13/99
- -----------------------------------------------------------------
(Signature of Contracting officer)   |
- -----------------------------------------------------------------
NSN 7540-01-152-8070
PREVIOUS EDITION UNUSABLE
STANDARD FORM 30 (REV. 10-83)
Prescribed by GSA
</TABLE>
<PAGE>

                                                 N00024-97-C-6431
                                                           P00047
                                                      PAGE 2 OF 3
                                                                 
The purpose of this modification is to fully fund Items
0003AH,0003AJ and 0003AU in the amount of $685,000.00.  As a
result of this modification the amount funded to date is
increased by $685,000.00 from $13,027,882.00 to $13,712,882.00.
As a result of this modification the total estimated value of
this contract remains unchanged at $20,995,503 ($19,838,066
estimated cost and $1,157,437 fixed fee).  Accordingly, Contract
N00024-97-C-6431 is hereby modified as follows:

5.   Under Section B, SUPPLIES OR SERVICES and PRICES/COSTS,
  replace Items 0001 and 0003 with the following ceilings:
<TABLE>
<S>       <C>         <C>     <C>            <C>  <C>
 ITEM   EST. COST    FIXED   TOTAL CPFF    MAN    TYPE
                      FEE                 HOURS
0001            $0        $0         $0        0  
0001AA     $50,084    $2,920    $53,004    1,548  RDT&E 97
0001AB          $0        $0         $0        0  FMS
0001AC          $0        $0         $0        0  O&MN 97
0001AD    $579,240   $33,770   $613,010   16,913  OPN 97
0001AE    $333,878   $19,519   $353,397    9,749  SCN 97
0001AF          $0        $0         $0        0  WPN 97
0001AG     $30,057    $1,743    $31,800      929  MISC
0001AH  $1,653,557   $90,398 $1,749,955   48,281  O&MN 98
0001AJ    $884,318   $51,544   $935,862   27,326  RDT&E 98-ETS
0001AK    $112,070    $6,532   $118,602    3,463  SCN 93
0001AL  $1,795,476  $104,661 $1,900,137   55,481  SCN 96
0001AM    $278,683   $16,247   $294,930    8,612  RDT&E 98
0001AN    $529,143   $30,849   $559,992   16,351  OPN 98
0001AP     $12,254      $714    $12,968      379  SCN 91
0001AR    $463,594   $27,027   $490,621   14,325  SCN 94
0001AS    $141,737    $8,263   $150,000    4,139  NON-SERVER
 TOTAL  $6,864,091  $400,187 $7,264,278  210,552              
</TABLE>
<TABLE>
<S>       <C>        <C>       <C>           <C>   <C>
ITEM   EST. COST     FIXED    TOTAL CPFF    MAN    TYPE
                      FEE                  HOURS
0003    $6,880,048  $401,973  $7,282,021  195,380  
0003AA    $446,499   $26,031     $472,530  12,681  RDT&E 98
0003AB     $61,423    $3,581      $65,004   1,744  FMS-RAN
0003AC  $1,317,329   $76,801   $1,394,130  37,413  O&MN 98
0003AD     $85,048   $ 4,958     $ 90,006   2,415  OPN 98
0003AE    $188,982   $11,018     $200,000   5,367  SCN 91
0003AF          $0        $0           $0       0  WPN
0003AG          $0        $0           $0       0  MISC
0003AH    $878,768  $51,232      $930,000  24,955  SCN 94
0003AJ    $615,801  $35,902      $651,703  17,489  SCN 96
0003AK    $188,970   $11,017     $199,987   5,367  RDT&E98(ETS)
0003AL    $208,815   $12,173     $220,988   5,931  SCN 93
0003AM     $47,246    $2,754      $50,000   1,342  RDT&E97(ETS)
0003AN     $28,347    $1,653      $30,000     805  SCN 95
0003AP     $37,796    $2,204      $40,000   1,073  SCN 97
0003AR     $37,796    $2,204      $40,000   1,073  SCN 98
0003AS    $273,890   $15,968     $289,858   7,779  RDT&E99(ETS)
0003AT  $1,228,384  $71,614    $1,299,998  50,039  O&MN 99
0003AU    $264,575  $15,425      $280,000   7,514  SCN 99
0003AV    $184,258  $10,742      $195,000   5,223  OPN- 99
TOTAL  $12,973,975  $757,250  $13,731,225 364,449  
                                                   
                                                   
</TABLE>
                                                 N00024-97-C-6431
                                                           P00047
                                                      PAGE 3 OF 3

6.   Under Section C, SPECIFICATION OR STATEMENT OF WORK, add the
following for Items 0003AH,0003AJ and 0003AU.

Items 0003AA, 0003AB, 0003AC, 0003AD, 0003AE,0003AH,
0003AJ,000AK,000AL,0003AM,0003AN,0003AP,0003AR,0003AS, 0003AT,
and 0003AU - The contractor shall perform all work required under
Technical Instructions 38223, 37385, 38228, 38220, 38234, 38231,
38244, 38280, 37275, 38254, 38013, 38229,38262,
38291,38290,39296,38010,38316,38326,59015,38010(D),59026,59014,59
040, 59048, 59047,59072,59074,59051 and 59069..

Under Section F, DELIVERIES OR PERIOD OF PERFORMANCE, add the
following for Items 0003AH and 0003AJ.

Item 0003AH - The Contractor shall provide the required services
for this item from the date of this modification through 30
September 1999.

Item 0003AJ - The Contractor shall provide the required services
for this item from the date of this modification through 30
September 1999.


3.  In accordance with the LIMITATION OF COST clauses, as listed
in the attached financial accounting data sheet, funding in the
amount of $685,000.00 is hereby added as follows:
<TABLE>
<S>       <C>       <C>        <C>           <C>       <C>
ITEM    EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS  TYPE

0003AH  $524,426    $30,574   $ 555,000    14,894      SCN 94
0003AJ  $ 94,491    $ 5,509   $ 100,000     2,684      SCN 96
0003AU  $ 28,347    $ 1,653   $  30,000       805      SCN 99
647,264    $37,736   $ 685,000     18,383

</TABLE>
8.   As a result of this modification the total amount funded to
  date is increased by $685,000.00 from $13,027,882 to
  $13,712,882.00. As a result of this modification, the total
  estimated value of this contract is remains unchanged as
  $20,995,503 ($19,838,066 estimated cost and $1,157,437 fixed
  fee).

5. All other terms and conditions of said contract remain
   unchanged.
<TABLE>
<S>                      <C>                 <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N0002497C6431                               P00047
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AH         BF             1741611        8386            252
0003AJ         BG             1761711        8386            252


<S>                                 <C>
                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
N0002499FR60151  TAR 59069
- -----------------------------------------------------------------
I.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT    PAA      COST CODE    PDLI
                 (CRITICAL)             PROJ UNIT  MCC   & SUF
YX    WCL     0  068342      2D   000000    22202  429    001A
YX    WCL     0  068342      2D   000000    23027  400    001A

- ----------------------------------------------------------------
11.  AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

$555,000.00                        N0002497PD77020
                                        (LHD 6)
$100,000.00                        N0002497PD77021
                                        (LHD 7)


PAGE TOTAL     $655,000.00

GRAND TOTAL
- -----------------------------------------------------------------
PREPARED/AUTHORIZED BY:

SIGNATURE../S/MARVIN C. ANTHONY
            CDR M. ROSS, USN SEA 91K1

DATE:     12/18/98

COMPTROLLER APPROVAL:

SIGNATURE     /S/V. F. JEFFERSON
              V. JEFFERSON
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER

DATE:         1/8/99
- -----------------------------------------------------------
</TABLE>

<TABLE>
<S>                      <C>                 <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N0002497C6431                               P00047
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AU         DG             1791711        2317       252


<S>                                 <C>
                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
N0002499FR50151  TAR 59051
- -----------------------------------------------------------------
J.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT    PAA      COST CODE    PDLI
                 (CRITICAL)             PROJ UNIT  MCC   & SUF
WB    WTL     0  068342      2D   000000    23168  400    0001

- ----------------------------------------------------------------
12.  AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

$30,000.00                         N0002499PD21570



PAGE TOTAL     $30,000.00

GRAND TOTAL    $30,000.00
- -----------------------------------------------------------------
PREPARED/AUTHORIZED BY:

SIGNATURE../S/TAMMY SAMUELS
            TAMMY SAMUELS, SEA 05F

DATE:     12/18/98

COMPTROLLER APPROVAL:

SIGNATURE     /S/V. F. JEFFERSON
              V. JEFFERSON
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER

DATE:         1/8/99
- -----------------------------------------------------------
</TABLE>


<PAGE>
<TABLE>
<S>                                                   <C>
- -----------------------------------------------------------------
AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT
1. CONTRACT ID CODE                    PAGE OF PAGES
         U                               1       3
- -----------------------------------------------------------------
2.   AMENDMENT/MODIFICATION NO.           3. EFFECTIVE DATE
         P00048                             SEE BLK 16C.

4. REQUISITION/PURCHASE REQ. NO.          5. PROJECT NO.
      N00024-99-FR-60155                      9-05F-60155
- -----------------------------------------------------------------
6. ISSUED BY CODE N00024 7. ADMINISTERED BY(If other than Item 6)
                                                   CODE  S3305A

NAVAL SEA SYSTEMS COMMAND                  DCMC SYRACSE BUFFALO
2531 JEFFERSON DAVIS HIGHWAY               1103 FEBERAL BUILDING
ARLINGTON VA 22242-5160                    111 WEST HURRON STREET
BUYER/SYMBOL: L COOPER/0251                BUFFALO, NY 14202
PHONE: Area Code 703/602-8105, EXT. 516
- -----------------------------------------------------------------
13.  NAME AND ADDRESS OF CONTRACTOR (No., street, county, State
  and
   ZIP Code)
                                |   |9A. AMENDMENT OF
                                |   |    SOLICITATION NO.
                                |   |---------------------------
CEC NO: 07-779-9799             |   |9B.  DATED (SEE ITEM 11)
                                |   |
COMPTEK FEDERAL SYSTEMS, INC.   |   |---------------------------
2732 TRANSIT ROAD               |(X)|10A. MODIFICATION OF
BUFFALO, NY 14224-2523          |   |     CONTRACT/ORDER NO.
                                |   |     N00024-97-C-6431
                                |   |---------------------------
TIN NO: 16-1411419              |   |10B.  DATED (SEE ITEM 13)
- --------------------------------|   |        30 APRIL 1997
 CODE OTTJ6 | FACILITY CODE  0  |   |


11. THIS ITEM ONLY APPLIES TO AMENDMENT OF SOLICITATIONS

[   ] The above numbered solicitation is amended as set forth in
Item 14.  The hour and date specified for receipt of Offer [   ]
is extended, [  ] is not extended. Offers must acknowledge
receipt of this amendment prior to the hour and date specified in
the solicitation or as amended, by one of the following methods:
(a)By competing items 8 and 15, and returning ___ copies of the
amendment; (b) By acknowledging receipt of this amendment on each
copy of the offer submitted; or (c) By separate Letter or
telegram which includes a reference to the solicitation and
amendment numbers.  FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED
AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE
HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR
OFFER.  If by virtue of this amendment you desire to change and
offer already submitted, such change may be made by telegram or
Letter, provided each telegram or letter makes reference to the
solicitation and this amendment, and is received prior to the
opening hour and date specified.

12.  ACCOUNTING AND APPROPRIATION DATA
     SEE ATTACHED FINANCIAL ACCOUNTING DATA SHEETS
- -----------------------------------------------------------------
18.  THIS ITEM APPLIES ONLY TO MODIFICATIONS OF
    CONTRACTS/ORDERS, IT MODIFIES THE CONTRACT/ORDER NO. AS
    DESCRIBED IN ITEM 14.
- -----------------------------------------------------------------
     | A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify
     |    authority) THE CHANGES
     |    SET FORTH IN ITEM 14 ARE MADE IN THE
     |    CONTRACT ORDER NO.  IN ITEM 10A.
- -----------------------------------------------------------------
     | B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO
     |    REFLECT THE ADMINISTRATIVE
     |    CHANGES (such as changes in paying office,
     |    appropriation date, etc.) SET FORTH
     |    IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43,103(b).
- -----------------------------------------------------------------
     | C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO
     |    AUTHORITY OF:
     |
- -----------------------------------------------------------------
     | D. OTHER (Specify type of modification and authority)
 X   |    UNILATERAL MODIFICATION PERSUANT TO CLAUSE H-2,
     |    ALLOTMENT OF FUNDS
- -----------------------------------------------------------------
J.   IMPORTANT: Contractor [X] is not, [ ] is required to sign
  this document and return __ copies to the issuing office.

- -----------------------------------------------------------------
19.  DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF
  section headings, including solicitation/contract subject matter
  where feasible.)

                         SCN 93
                         C-9033/TAR 59078
                         SEE PAGE 2

                                
Except as provided herein, all terms and conditions of the
document referenced in item 9A or 10A, as heretofore changed,
remains unchanged and in full force and effect.
- -----------------------------------------------------------------
15A.  NAME AND TITLE OF SIGNER (Type or print)

16A.  NAME AND TITLE OF CONTRACTING OFFICER (Type or print)
          ANN VAN HOUTEN
          CONTRACTING OFFICER
- -----------------------------------------------------------------
15B.  CONTRACTOR/OFFEROR                    15C.  DATE SIGNED

Signature of person authorized to sign

16A. ANN VAN HOUTEN
     CONTRACTING OFFICER

16B.  UNITED STATES OF AMERICA       |        16C.  DATE SIGNED
      By /S/ANN VAN HOUTON                        1/13/99
- -----------------------------------------------------------------
(Signature of Contracting officer)   |
- -----------------------------------------------------------------
NSN 7540-01-152-8070
PREVIOUS EDITION UNUSABLE
STANDARD FORM 30 (REV. 10-83)
Prescribed by GSA
</TABLE>
<PAGE>

                                                 N00024-97-C-6431
                                                           P00048
                                                      PAGE 2 OF 3
                                                                 
The purpose of this modification is to fully fund Items 0003AL
in the amount of $50,000.00.  As a result of this modification
the amount funded to date is increased by $50,000.00 from
$13,712,882.00 to $13,762,882.00.  As a result of this
modification the total estimated value of this contract remains
unchanged at $20,995,503 ($19,838,066 estimated cost and
$1,157,437 fixed fee).  Accordingly, Contract N00024-97-C-6431 is
hereby modified as follows:

6.   Under Section B, SUPPLIES OR SERVICES and PRICES/COSTS,
  replace Items 0001 and 0003 with the following ceilings:
<TABLE>
<S>       <C>       <C>       <C>          <C>    <C>
 ITEM   EST. COST    FIXED   TOTAL CPFF    MAN    TYPE
                      FEE                 HOURS
0001            $0        $0         $0        0  
0001AA     $50,084    $2,920    $53,004    1,548  RDT&E 97
0001AB          $0        $0         $0        0  FMS
0001AC          $0        $0         $0        0  O&MN 97
0001AD    $579,240   $33,770   $613,010   16,913  OPN 97
0001AE    $333,878   $19,519   $353,397    9,749  SCN 97
0001AF          $0        $0         $0        0  WPN 97
0001AG     $30,057    $1,743    $31,800      929  MISC
0001AH  $1,653,557   $90,398 $1,749,955   48,281  O&MN 98
0001AJ    $884,318   $51,544   $935,862   27,326  RDT&E 98-ETS
0001AK    $112,070    $6,532   $118,602    3,463  SCN 93
0001AL  $1,795,476  $104,661 $1,900,137   55,481  SCN 96
0001AM    $278,683   $16,247   $294,930    8,612  RDT&E 98
0001AN    $529,143   $30,849   $559,992   16,351  OPN 98
0001AP     $12,254      $714    $12,968      379  SCN 91
0001AR    $463,594   $27,027   $490,621   14,325  SCN 94
0001AS    $141,737    $8,263   $150,000    4,139    NON-SERVER
 TOTAL  $6,864,091  $400,187 $7,264,278  210,552              
</TABLE>
<TABLE>
<S>       <C>       <C>       <C>            <C>    <C>
ITEM   EST. COST     FIXED    TOTAL CPFF    MAN    TYPE
                      FEE                  HOURS
0003    $6,832,802  $399,219  $7,232,021  194,038  
0003AA    $446,499   $26,031     $472,530  12,681  RDT&E 98
0003AB     $61,423    $3,581      $65,004   1,744  FMS-RAN
0003AC  $1,317,329   $76,801   $1,394,130  37,413  O&MN 98
0003AD     $85,048   $ 4,958     $ 90,006   2,415  OPN 98
0003AE    $188,982   $11,018     $200,000   5,367  SCN 91
0003AF          $0        $0           $0       0  WPN
0003AG          $0        $0           $0       0  MISC
0003AH    $878,768   $51,232     $930,000  24,955  SCN 94
0003AJ    $615,801   $35,902     $651,703  17,489  SCN 96
0003AK    $188,970   $11,017     $199,987   5,367  RDT&E98(ETS)
0003AL    $256,061   $14,927     $270,988   7,273  SCN 93
0003AM     $47,246    $2,754      $50,000   1,342  RDT&E97(ETS)
0003AN     $28,347    $1,653      $30,000     805  SCN 95
0003AP     $37,796    $2,204      $40,000   1,073  SCN 97
0003AR     $37,796    $2,204      $40,000   1,073  SCN 98
0003AS    $273,890   $15,968     $289,858   7,779  RDT&E99(ETS)
0003AT  $1,228,384   $71,614   $1,299,998  50,039  O&MN 99
0003AU    $264,575   $15,425     $280,000   7,514  SCN 99
0003AV    $184,258   $10,742     $195,000   5,223  OPN- 99
TOTAL  $12,973,975  $757,250  $13,731,225 364,449  
                                                   
</TABLE>
                                                 N00024-97-C-6431
                                                           P00048
                                                      PAGE 3 OF 3

7.   Under Section C, SPECIFICATION OR STATEMENT OF WORK, add the
following for Items 0003AL.

Items 0003AA, 0003AB, 0003AC, 0003AD, 0003AE,0003AH,
0003AJ,000AK,000AL,0003AM,0003AN,0003AP,0003AR,0003AS, 0003AT,
and 0003AU - The contractor shall perform all work required under
Technical Instructions 38223, 37385, 38228, 38220, 38234, 38231,
38244, 38280, 37275, 38254, 38013, 38229,38262,
38291,38290,39296,38010,38316,38326,59015,38010(D),59026,59014,59
040, 59048, 59047,59072,59074,59051, 59069 and 59078.

3. Under Section F, DELIVERIES OR PERIOD OF PERFORMANCE, add the
following for Item 0003AL.

Item 0003AL - The Contractor shall provide the required services
for this item from the date of this modification through 31 March
1999.

4  In accordance with the LIMITATION OF COST clauses, as listed
in the attached financial accounting data sheet, funding in the
amount of $50,000.00 is hereby added as follows:
<TABLE>
<S>       <C>       <C>       <C>            <C>       <C>
ITEM    EST. COST   FIXED FEE  TOTAL CPFF  MAN HOURS  TYPE

0003AL  $47,246    $ 2,754   $ 50,000       1,342      SCN 93
</TABLE>
5.   As a result of this modification the total amount funded to
  date is increased by $50,000.00 from $13,712,882.00 to
  $13,762,882.00. As a result of this modification, the total
  estimated value of this contract is remains unchanged as
  $20,995,503 ($19,838,066 estimated cost and $1,157,437 fixed
  fee).

6. All other terms and conditions of said contract remain
   unchanged.
<TABLE>
<S>                      <C>                 <C>
- -----------------------------------------------------------------

             FINANCIAL ACCOUNTING DATA SHEET - NAVY
- -----------------------------------------------------------------

1. CONTRACT NUMBER          2. SPIN          3. MOD (CRITICAL)
    (CRITICAL)

  N0002497C6431                               P00048
- -----------------------------------------------------------------
5.          6.  LINE OF ACCOUNTING

CLIN/SLIN       A. ACRN    B. APPROPRI-   C. SUBHEAD      D. OBJ
                CRITICAL      ATION          (CRITICAL)      CLA
                             (CRITICAL)
- -----------------------------------------------------------------
0003AL         DK             1731611        8371            252


<S>                                 <C>
                  FINANCIAL ACCOUNTING DATA SHEET -- Continued
- -----------------------------------------------------------------
4. PR NUMBER                                 PAGE 1 OF 1
N0002499FR60155  TAR 59069
- -----------------------------------------------------------------
K.       F.     G.    H.        I.      J.       K.
PARM   RFM    SA    AAA       TT    PAA      COST CODE    PDLI
                 (CRITICAL)             PROJ UNIT  MCC   & SUF
WA    WCW     0  068342      2D   000000    21959  906    0000

- ----------------------------------------------------------------
13.  AMOUNT (CRITICAL)             NAVY INTERNAL USE ONLY
                                   REF COD/ACRN

$50,000.00                         N0002493AF08371



PAGE TOTAL     $50,000.00

GRAND TOTAL    $50,000.00
- -----------------------------------------------------------------
PREPARED/AUTHORIZED BY:

SIGNATURE    /S/ROBERT BOYD 3773D


DATE:        12/22/98

COMPTROLLER APPROVAL:

SIGNATURE     /S/V. F. JEFFERSON
              V. JEFFERSON
              BY DIRECTION OF
              CAPT. V.H. ACKLEY
              DEPUTY COMMANDER/COMPTROLLER

DATE:         1/8/99
- ------------------------------------------------------------
</TABLE>


Exhibit 11

<TABLE>
<CAPTION>

COMPTEK RESEARCH, INC.
   AND SUBSIDIARIES
RECONCILIATION OF BASIC
    AND DILUTED EPS
     COMPUTATIONS
           
 Thirteen and Thirty-
   Nine Weeks Ended
 December 25, 1998 and
   December 26, 1997
 (In thousands, except
  per share amounts)
           
                                             
                         Thirtee             Thirty-
                         n Weeks               Nine
                          Ended               Weeks
                                              Ended
                                                         
                          Dec.      Dec.       Dec.       Dec.
                           25,       26,       25,         26,
                          1998      1997       1998       1997
                                                         
<S>                      <C>       <C>       <C>         <C>
Basic EPS
                                                         
   Net income               $899      $664     $2,347     $1,871
   (Numerator)           =======    ======   =======     =======
   
                                                         
   Shares (Denominator)    5,063     5,172      5,027      5,221
                         =======    ======    =======    =======
                                                         
   Net income per share    $0.18     $0.13      $0.47      $0.36
   - Basic               =======    ======    =======    =======
   
                                                         
                                                                

                                                         
Diluted EPS                                                     

                                                         
   Net income               $899      $664     $2,347     $1,871
   (Numerator)           =======    ======    =======    =======
                                                         
   Shares (Denominator)    5,223     5,308      5,203      5,349
                         =======    ======    =======    =======
                                                         
   Net income per share    $0.17     $0.13      $0.45      $0.35
   - Diluted             =======    ======    =======    =======

Exhibit 15


The Board of Directors
Comptek Research, Inc.
Buffalo, New York

Gentlemen:

Registration Statement Nos. 33-54170, 33-82536, 333-11437, and
333-62752

With respect to the subject registration statements, we
acknowledge our awareness of the use therein of our report dated
January 21, 1999, related to our review of interim financial
information.

Pursuant to Rule 436(c) under the Securities Act of 1933, such
report is not considered part of a registration statement
prepared or certified by an accountant or a report prepared or
certified by an accountant within the meaning of sections 7 and
11 of the Act.

Very truly yours,



KPMG Peat Marwick LLP



Buffalo, New York
January 21, 1999



</TABLE>

<TABLE> <S> <C>

<ARTICLE> 5
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          MAR-31-1998
<PERIOD-END>                               DEC-25-1998
<CASH>                                           1,161
<SECURITIES>                                         0
<RECEIVABLES>                                   24,432
<ALLOWANCES>                                         0
<INVENTORY>                                      2,470
<CURRENT-ASSETS>                                29,702
<PP&E>                                          16,260
<DEPRECIATION>                                  12,404
<TOTAL-ASSETS>                                  49,909
<CURRENT-LIABILITIES>                           17,021
<BONDS>                                         18,383
                                0
                                          0
<COMMON>                                           110
<OTHER-SE>                                      14,153
<TOTAL-LIABILITY-AND-EQUITY>                    49,909
<SALES>                                         67,991
<TOTAL-REVENUES>                                67,991
<CGS>                                           51,569
<TOTAL-COSTS>                                   51,569
<OTHER-EXPENSES>                                11,412
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,099
<INCOME-PRETAX>                                  3,911
<INCOME-TAX>                                     1,564
<INCOME-CONTINUING>                              2,347
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     2,347
<EPS-PRIMARY>                                      .47
<EPS-DILUTED>                                      .45
        

</TABLE>


© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission