Exhibit 12

General Dynamics Corporation

Ratio of Earnings to Fixed Charges

(Dollars in Millions)

	9/28/2008		2007		2006		2005		2004		2003
Earnings From Continuing Operations Before Income Taxes and Fixed Charges	$	2,829	$	3,253	$	2,751	$	2,284	$	1,998	$	1,468
Fixed Charges:
Interest Expense	$	98	$	131	$	156	$	154	$	157	$	108
Estimate of interest element of rental expense		55		75		68		61		67		39
Total Fixed Charges	$	153	$	206	$	224	$	215	$	224	$	147
Ratio of earnings to fixed charges		18.5		15.8		12.3		10.6		8.9		10.0