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Exhibit 12

Alliant Techsystems Inc.
Statement Re: Computation of Ratio of Earnings to Fixed Charges
(Dollars in thousands)

		Fiscal Year Ended March 31,
		2008			2007			2006			2005			2004
Earnings:
Income before income taxes and minority interest		$	350,381		$	264,796		$	227,557		$	220,540		$	217,796
Plus fixed charges			91,616			85,970			110,115			73,285			67,297
	Earnings	$	441,997		$	350,766		$	337,672		$	293,825		$	285,093
Fixed Charges:
Interest expense, including amortization of debt issuance costs		$	81,578		$	76,144		$	100,837		$	65,382		$	60,327
Estimated interest factor of rental expense			10,038			9,826			9,278			7,903			6,970
	Fixed Charges	$	91,616		$	85,970		$	110,115		$	73,285		$	67,297
Ratio of Earnings to Fixed Charges(1)			4.82			4.08			3.07			4.01			4.24
Rent expense			62,739			61,410			57,989			49,396			43,563
Percent of rent expense that represents interest			16	%		16	%		16	%		16	%		16	%

(1)

For purposes of calculating the ratio of earnings to fixed charges, "earnings" represents income from continuing operations before income taxes, plus fixed charges. "Fixed charges" consist of interest expense, including amortization of debt issuance costs and that portion of rental expense considered to be a reasonable approximation of interest.

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Exhibit 12