<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Norman R. Augustine June 23, 2000
----------------------------------
Norman R. Augustine
Director
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Marcus C. Bennett June 23, 2000
----------------------------------
Marcus C. Bennett
Director
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Vance D. Coffman June 23, 2000
--------------------------------------
Vance D. Coffman
Chairman and Chief Executive Officer
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Lynne V. Cheney June 23, 2000
-----------------------------------
Lynne V. Cheney
Director
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ James F. Gibbons June 23, 2000
----------------------------------
James F. Gibbons
Director
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Edward E. Hood, Jr. June 23, 2000
---------------------------------
Edward E. Hood, Jr.
Director
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Caleb B. Hurtt June 23, 2000
----------------------------------
Caleb B. Hurtt
Director
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Gwendolyn S. King June 23, 2000
----------------------------------
Gwendolyn S. King
Director
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Eugene F. Murphy June 23, 2000
----------------------------------
Eugene F. Murphy
Director
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ James R. Ukropina June 23, 2000
----------------------------------
James R. Ukropina
Director
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Douglas C. Yearley June 23, 2000
----------------------------------
Douglas C. Yearley
Director
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Robert J. Stevens June 23, 2000
----------------------------------
Robert J. Stevens
Executive Vice President and
Chief Financial Officer
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Christopher E. Kubasik June 23, 2000
----------------------------------
Christopher E. Kubasik
Vice President and Controller
<PAGE>
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION
The undersigned hereby constitutes Marian S. Block and Renata Baker, and
each of them, jointly and severally, her lawful attorney-in-fact and agent, with
full power of substitution and resubstitution, for her and in her name, place
and stead, in any and all capacities, including, but not limited to, that listed
below, to execute and file, or cause to be filed, with exhibits thereto and
other documents in connection therewith, with the Securities and Exchange
Commission (hereinafter referred to as the "Commission") one or more
registration statements on Form S-8 for the purpose of registering under the
Securities Act of 1933, as amended, (the "Securities Act") securities to be
issued under the Lockheed Martin Energy Systems Savings Program, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Salaried Employees, Lockheed Martin
Energy Systems, Inc. 401(k) Savings Plan for Hourly Employees, and Lockheed
Martin Energy Systems, Inc. Savings Plan for Salaried and Hourly Employees and
amendments thereto (including post-effective amendments), and all matters
required by the Commission in connection with such registration statements under
the Securities Act, granting unto said attorneys-in-fact and agents, and each of
them, full power and authority to do and perform each and every act and thing
requisite or necessary to be done as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming all that said
attorney's-in-fact and agents, and each of them, or his substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.
/s/ Louis R. Hughes June 23, 2000
----------------------------------
Louis R. Hughes
President and Chief Operating Officer
