Exhibit 24.1

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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/ E.C. “Pete” Aldridge, Jr.

E.C. “PETE” ALDRIDGE, JR.

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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/ Nolan D. Archibald

NOLAN D. ARCHIBALD

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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

MARCUS C. BENNETT

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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 O. Ellis, Jr.

JAMES O. ELLIS, JR.

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, her lawful attorney-in-fact and agent, with full power of substitution, for him 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each of them, or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

/s/ Gwendolyn S. King

GWENDOLYN S. KING

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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 M. Loy

JAMES M. LOY

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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 H. McCorkindale

DOUGLAS H. McCORKINDALE

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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

EUGENE F. MURPHY

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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/ Joseph W. Ralston

JOSEPH W. RALSTON

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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/ Frank Savage

FRANK SAVAGE

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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 M. Schneider

JAMES M. SCHNEIDER

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, her lawful attorney-in-fact and agent, with full power of substitution, for him 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each of them, or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

/s/ Anne Stevens

ANNE STEVENS

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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

ROBERT J. STEVENS

Director

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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/ Bruce L. Tanner

BRUCE L. TANNER

Executive Vice President and

Chief Financial Officer

February 28, 2008

POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION

The undersigned hereby constitutes James B. Comey, Marian S. Block and David A. Dedman, each of them, jointly and severally, his lawful attorney-in-fact and agent, with full power of substitution, for him and in his 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 a Registration Statement or Registration Statements on Form S-3 or other applicable form, and all amendments, including post-effective amendments, thereto, under the Securities Act of 1933, as amended, (the “Securities Act”), to be filed by the Company with the Securities and Exchange Commission in connection with the registration under the Securities Act of the Debt Securities proposed to be registered by the Company from time to time.

Further, the undersigned grants 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 might or could do in person, hereby ratifying and confirming all that said attorneys-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

JAMES R. UKROPINA

Director

February 28, 2008