POWER OF ATTORNEY

LOCKHEED MARTIN CORPORATION


The undersigned hereby constitutes and appoints Maryanne R. Lavan, Kerri R.
Morey and Robin Villanueva, and each of them, jointly and severally, his lawful
attorney-in-fact and agent, with full power of substitution and re-substitution,
  for his and in his 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 to Forms 3, 4 or 5, or 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 might or could do in person, hereby ratifying and confirming all that
said attorneys-in-fact and agents, and each of them, or any substitute or
substitutes, may lawfully do or cause to be done by virtue hereof.


/s/ Scott T. Greene

Scott T. Greene


July 17, 2019