QuickLinks -- Click here to rapidly navigate through this documentEXHIBIT 24.2
ALLIANT TECHSYSTEMS INC.
POWER OF ATTORNEY
OF DIRECTORS AND/OR OFFICERS
KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned directors and/or officers of one or more of the subsidiaries of ALLIANT TECHSYSTEMS INC., a Delaware corporation (the "Company"), listed onAnnex A (the "Subsidiary Guarantors"), do hereby make, constitute and appoint Daniel J. Murphy, Jr., Eric S. Rangen and Ann D. Davidson, and each or any one of them, the undersigned's true and lawful attorneys-in-fact, with full power of substitution, for the undersigned and in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of the Subsidiary Guarantors to the registration statement of the Company and the Subsidiary Guarantors on Form S-3, or any other appropriate form, including any registration statement pursuant to Rule 429 of the Securities Act of 1933, as amended (the "Securities Act"), and any abbreviated registration statement related thereto (collectively, the "Registration Statement"), for the purpose of registering pursuant to the Securities Act and/or the Securities Exchange Act of 1934, as amended (the "Exchange Act"), up to U.S.$280 million of the Company's 2.75 percent convertible senior subordinated notes due 2024, and the guarantees thereof given by the Subsidiary Guarantors, and the shares of the Company's common stock issuable upon conversion thereof for resale by the holders thereof from time to time, including the power and authority to sign any and all amendments or any and all post-effective amendments to such Registration Statement, or registration statements filed pursuant to Rule 462 under the Securities Act, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission, and any other regulatory body pertaining to the Registration Statement or the securities covered thereby, granting unto said attorneys-in-fact, and each of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the powers herein expressly granted and that may be required to enable the Company and the Subsidiary Guarantors to comply with the Securities Act and/or the Exchange Act and any rules, regulations or requirements of the Securities and Exchange Commission in respect thereof.
IN WITNESS WHEREOF, the undersigned have hereunto set the undersigned's hand as of the 1st day of June, 2004.
/s/ DANIEL J. MURPHY JR. Daniel J. Murphy Jr. | | /s/ ERIC S. RANGEN Eric S. Rangen |
/s/ ANTHONY G. CASTROGIOVANNI Anthony G. Castrogiovanni | | /s/ MARK W. DEYOUNG Mark W. DeYoung |
/s/ ANN D. DAVIDSON Ann D. Davidson | | /s/ DONALD E. SHAFFER Donald E. Shaffer |
/s/ RONALD D. DITTEMORE Ronald D. Dittemore | | /s/ NICHOLAS G. VLAHAKIS Nicholas G. Vlahakis |
/s/ ROBERT M. GORSKI Robert M. Gorski | | /s/ THOMAS R. WILSON Thomas R. Wilson |
Annex A
Name
| | Jurisdiction
|
---|
Alliant Ammunition Systems Company LLC | | Delaware |
Alliant Ammunition and Powder Company LLC | | Delaware |
Alliant Holdings LLC | | Delaware |
Alliant International Holdings Inc. | | Minnesota |
Alliant Lake City Small Caliber Ammunition Company LLC | | Delaware |
Alliant Southern Composites Company LLC | | Delaware |
ATK Commercial Ammunition Company Inc. | | Delaware |
ATK Elkton LLC | | Delaware |
ATK International Sales Inc. | | Delaware |
ATK Missile Systems Company LLC | | Delaware |
ATK Ordnance and Ground Systems LLC | | Delaware |
ATK Tactical Systems Company LLC | | Delaware |
ATK Thiokol Inc. | | Delaware |
Ammunition Accessories Inc. | | Delaware |
Composite Optics, Incorporated | | California |
Federal Cartridge Company | | Minnesota |
GASL, Inc. | | New York |
Micro Craft Inc. | | Tennessee |
Mission Research Corporation | | California |
New River Energetics, Inc. | | Delaware |
Thiokol Technologies International, Inc. | | Delaware |
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ALLIANT TECHSYSTEMS INC. POWER OF ATTORNEY OF DIRECTORS AND/OR OFFICERS