Exhibit 24 -
POWER OF ATTORNEY
LOCKHEED MARTIN CORPORATION

	The undersigned hereby constitutes and appoints Maryanne R.
Lavan, Marian S. Block, David A. Dedman, and Matthew c. Dow and each
of them, jointly and severally, his or her lawful attorney-
in-fact and agent, with full power of substitution and
resubstitution, for him or her and in his or her name,
place and stead, in any and all capacities to execute and
file, or cause to be filed, with exhibits thereto and other
documents in connection therewith, with the Securities and
Exchange Commission any and all reports or forms (including but
not limited for Forms 3, 4 or  5,  Form 144 or Form ID) and
any supplements or amendments thereto as are required to be
filed by the undersigned pursuant to Section 16 of the
Securities Exchange Act of 1934, as amended, and the rules
and regulations promulgated thereunder, and Rule 144 of the
Securities Act of 1933,  with respect to the equity
securities of Lockheed Martin Corporation, 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
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.



February 24, 2011	/s/ Anne Stevens
			Anne Stevens