Exhibit 12

Alion Science and Technology
Computation of Ratio of Earnings to Fixed Charges
(Amounts in thousands)

	Years Ended September 30,
ACTUAL DATA	2003			2004			2005			2006			2007
Fixed Charges
Cash interest expense	$	3,774		$	7,563		$	9,328		$	19,349		$	33,695
Amortization of capitalized expenses related to indebtedness		353			2,791			3,897			2,591			3,145
Total fixed charges	$	4,127		$	10,354		$	13,225		$	21,940		$	36,840
Earnings
Pre-tax earnings (loss)	$	(12,616	)	$	(15,094	)	$	(40,172	)	$	(31,089	)	$	(42,780	)
Fixed charges		4,127			10,354			13,225			21,940			36,840
Earnings before fixed charges	$	(8,489	)	$	(4,740	)	$	(26,947	)	$	(9,149	)	$	(5,940	)
Ratio of earnings to fixed charges		(1	)		(1	)		(1	)		(1	)		(1	)

(1) Earnings for fiscal 2003 to 2007 were inadequate to cover fixed charges in those periods by $8.5 million, $4.7 million, $26.9 million, $9.1 million, and $5.9 million, respectively.