Alliant Techsystems Inc. is an aerospace, defense, and commercial products company that operates in 22 states, Puerto Rico and internationally. The Company operates in three segments: Aerospace Group, Defense Group and Sporting Group. The Company produces military small-caliber ammunition for use in soldier-carried weapons such as automatic and semi-automatic rifles, and machine guns. It also produces medium-caliber ammunition used by crew-served weapons on armored vehicles and aircraft and military large-caliber ammunition used by tanks. The Company manufactures law enforcement, military and sporting ammunition and is also a supplier of firearms and shooting accessories. It has presence in the hunting, shooting sports and outdoor recreation markets, with a portfolio of brands in ammunition, accessories and optics, traditional centerfire and rimfire rifles, and shotguns. ATK�s brands include Federal Premium, Bushnell, BLACKHAWK! and Savage Arms.