Exhibit 32

Certification by Chief Executive Officer and Chief Financial Officer

Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

We, Mark W. DeYoung, Chief Executive Officer, and Thomas G. Sexton, Chief Financial Officer, of Alliant Techsystems Inc. (the “Company”), certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to our knowledge:

(1)the Quarterly Report on Form 10-Q for the period ended October 2, 2011, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods expressed in the Report.

Dated:  November 4, 2011

By:	/s/ Mark W. DeYoung
Name:	Mark W. DeYoung
Title:	President and Chief Executive Officer
By:	/s/ Thomas G. Sexton
Name:	Thomas G. Sexton
Title:	Vice President and Interim Chief Financial Officer