Exhibit 12

Lockheed Martin Corporation

Computation of Ratio of Earnings to Fixed Charges

Year Ended December 31, 2009

(In millions, except ratio)

Earnings
Earnings before income taxes	$	4,284
Interest expense		305
Losses (undistributed earnings) of 50% and less than 50% owned companies, net		(65	)
Portion of rents representative of an interest factor		62
Amortization of debt premium and discount, net		(4	)
Adjusted earnings before income taxes	$	4,582
Fixed Charges
Interest expense	$	305
Portion of rents representative of an interest factor		62
Amortization of debt premium and discount, net		(4	)
Capitalized interest		—
Total fixed charges	$	363
Ratio of Earnings to Fixed Charges		12.6