Exhibit 12

General Dynamics Corporation

Ratio of Earnings to Fixed Charges

(Dollars in Millions)

	2006		2007		2008		2009		2010		Nine Months Ended October 2, 2011
Earnings From Continuing Operations Before Income Taxes and Fixed Charges	$	2,751	$	3,253	$	3,815	$	3,772	$	4,045	$	2,987
Fixed Charges:
Interest Expense	$	156	$	131	$	133	$	171	$	167	$	115
Estimate of interest element of rental expense		68		75		78		88		88		65
Total Fixed Charges	$	224	$	206	$	211	$	259	$	255	$	180
Ratio of earnings to fixed charges		12.3		15.8		18.1		14.6		15.9		16.6