As filed with the Securities and Exchange Commission on June 27, 2000 Registration No. 33-58089 ===================================================================== SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ____________________ POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ____________________ LOCKHEED MARTIN CORPORATION (Exact name of registrant as specified in its charter) MARYLAND 52-1893632 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 6801 ROCKLEDGE DRIVE BETHESDA, MARYLAND 20817 (Address of principal executive offices) ____________________ LOCKHEED MARTIN ENERGY SYSTEMS, INC. 401(k) SAVINGS PLAN FOR SALARIED EMPLOYEES LOCKHEED MARTIN ENERGY SYSTEMS, INC. 401(k) SAVINGS PLAN FOR HOURLY EMPLOYEES LOCKHEED MARTIN ENERGY SYSTEMS, INC. SAVINGS PLAN FOR SALARIED AND HOURLY EMPLOYEES (Full Title of Plan) ____________________ MARIAN S. BLOCK, ESQUIRE VICE PRESIDENT AND ASSOCIATE GENERAL COUNSEL LOCKHEED MARTIN CORPORATION 6801 ROCKLEDGE DRIVE BETHESDA, MARYLAND 20817 (301) 897-6000 (Name, address, including zip code, and telephone number, including area code, of agent for service) =====================================================================

EXPLANATORY STATEMENT On March 15, 1995, the Corporation filed a Registration Statement on Form S-8 (Reg. No. 33-58089) (the "Registration Statement") registering 951,549 shares of Lockheed Martin Corporation Common Stock, and an indeterminate number of plan interests, for use in connection with the the Lockheed Martin Energy Systems, Inc. 401(k) Savings Plan For Salaried Employees, the Lockheed Martin Energy Systems, Inc. 401(k) Savings Plan For Hourly Employees and the Lockheed Martin Energy Systems, Inc. Savings Plan For Salaried And Hourly Employees (the "Plans"). The Corporation has combined the Plans with the Lockheed Martin Energy Systems, Inc. Savings Program. Pursuant to the Corporation's undertakings in the Registration Statement, the Corporation is filing this Post-Effective Amendment No. 1 to the Registration Statement to remove from registration under the Registration Statement the shares of Lockheed Martin Corporation Common Stock registered thereunder which will not be issued in connection with the Plans. Item 8. Exhibits. --------- Exhibit No. Description ---------- ----------- 24 Powers of Attorney.

SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Post-Effective Amendment No. 1 to Registration Statement No. 33-58089 to be signed on its behalf by the undersigned, thereunto duly authorized, in the County of Montgomery, State of Maryland and on the date indicated below. LOCKHEED MARTIN CORPORATION Date: June 27, 2000 By: /s/ Marian S. Block ----------------------------------- Marian. S. Block Vice President and General Counsel Pursuant to the requirements of the Securities Act of 1933, the Trustees (or other persons who administer the Plan) have duly caused this Post-Effective Amendment No. 1 to Registration Statement No. 33-58089 to be signed on its behalf by the undersigned, thereunto duly authorized, in the County of Andersen, State of Tennessee. LOCKHEED MARTIN ENERGY SYSTEMS, INC. 401(K) SAVINGS PLAN FOR SALARIED EMPLOYEES LOCKHEED MARTIN ENERGY SYSTEMS, INC. 401(K) SAVINGS PLAN FOR HOURLY EMPLOYEES LOCKHEED MARTIN ENERGY SYSTEMS, INC. SAVINGS PLAN FOR SALARIED AND HOURLY EMPLOYEES Date: June 27, 2000 /s/ Joseph M. Wolfe, Jr. ---------------------------------- By: Joseph M. Wolfe, Jr. Chairman--Retirement and Savings Plan Committee

Pursuant to the requirements of the Securities Act of 1933, this Post Effective Amendment No. 1 to Registration Statement on Form S-8 (Reg. No. 33- 59089) has been signed below by the following persons on behalf of the Registrant and in the capacities and on the date indicated. Signature Title Date --------- ----- ---- /s/ Vance D. Coffman Chairman and Chief Executive June 23, 2000 --------------------------- Vance D. Coffman* Officer and Director (Principal Executive Officer) /s/ Robert J. Stevens Executive Vice President and June 23, 2000 --------------------------- Robert J. Stevens* Chief Financial Officer (Principal Financial Officer) /s/ Christopher E. Kubasik Vice President and Controller June 23, 2000 ---------------------------- Christopher E. Kubasik* (Principal Accounting Officer) The Post-Effective Amendment also has been signed on the date indicated by the following directors, who constitute a majority of the Board of Directors: Norman R. Augustine* Louis R. Hughes* Marcus C. Bennett* Caleb B. Hurtt* Lynne V. Cheney * Gwendolyn S. King* Vance D. Coffman* Eugene F. Murphy* James F. Gibbons* James R. Ukropina* Edward E. Hood, Jr.* Douglas C. Yearley* By: /s/ Marian S. Block - -------------------------- *Marian S. Block June 27, 2000 (Attorney-in-fact**) **By authority of Powers of Attorney filed with this Registration Statement.

EXHIBIT INDEX Exhibit Number Description ------ ----------- 24 Powers of Attorney.

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

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

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

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

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

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

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

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

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

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

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

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

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

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