Exhibit 24.1

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Vance D. Coffman

Vance D. Coffman

Chairman and Chief Executive Officer and Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ E.C. Aldridge, Jr.

E. C. Aldridge, Jr.

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Nolan D. Archibald

Nolan D. Archibald

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Norman R. Augustine

Norman R. Augustine

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Marcus C. Bennett

Marcus C. Bennett

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Gwendolyn S. King

Gwendolyn S. King

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Douglas H. McCorkindale

Douglas H. McCorkindale

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Eugene F. Murphy

Eugene F. Murphy

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 30^th day of September, 2003.

/s/ Joseph W. Ralston

Joseph W. Ralston

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Frank Savage

Frank Savage

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Anne Stevens

Anne Stevens

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ James R. Ukropina

James R. Ukropina

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Robert J. Stevens

Robert J. Stevens

President and Chief Operating Officer and Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Christopher E. Kubasik

Christopher E. Kubasik

Senior Vice President and Chief Financial Officer

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 25^th day of September, 2003.

/s/ Douglas C. Yearley

Douglas C. Yearley

Director

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes Frank H. Menaker, Jr., Marian S. Block and David A. Dedman, and each of them, jointly and severally, the undersigned’s true and lawful attorneys-in-fact and agents, with full power of substitution, for the undersigned and in the undersigned’s name, place, and stead and in any and all capacities, to sign and affix the undersigned’s name as such director and/or officer of Lockheed Martin Corporation (the “Company”) to one or more Registration Statements under the Securities Act of 1933, as amended, on Form S-4 or other applicable form, and any amendments thereto, and all post-effective amendments and supplements to such registration statement, including amendments filed on Form S-3 and Form S-8, for the registration of shares of common stock, $1.00 par value per share (“Company Common Stock”) to be offered and sold in connection with the acquisition by the Company of The Titan Corporation, in such forms as they or any one of them may approve, and to file the same with all exhibits thereto and other documents in connection therewith with the Securities and Exchange Commission, 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 and necessary to the performance and execution of the powers herein expressly granted, as fully and to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them or their substitutes, may lawfully do or cause to be done by virtue hereof.

IN WITNESS WHEREOF, I have hereunto set my hand and seal this 30^th day of September, 2003.

/s/ Rajeev Bhalla

Rajeev Bhalla

Vice President and Controller