Alliant Techsystems, Inc. supplies aerospace and defense products to the U.S. government agencies, and its prime contractors and subcontractors. The company also supplies ammunition and related accessories to law enforcement agencies and commercial customers. Its ATK Armament Systems segment offers military ammunition and gun systems, such as small-caliber training and tactical ammunition rounds; medium-caliber ammunition, including fighting and light armored vehicles, helicopters, A-10 close-combat support aircraft, and AC-130 gunship aircraft; and chain guns for medium-caliber gun systems. This segment also provides ammunition, gun care products, targets and traps, rifle scopes and mounts, and binoculars to law enforcement agencies and sport shooting enthusiasts; solid extruded propellant for medium caliber and tank ammunition, artillery charge systems, and air and ground launched rockets; and commercial gun powder for sporting ammunition manufacturers, hunters, and sport shooters. The company’s ATK Launch Systems segment manufactures human and cargo space launch vehicles, conventional and strategic missiles, missile defense interceptors, and decoy and illuminating flares. Its ATK Mission Systems segment offers missile systems, precision-guided munitions, force protection systems, speed-of-light weapons, soldier weapon systems, barrier systems, large-caliber ammunition, tactical and hypersonic propulsion systems, warheads, fuzes, missile defense divert and control systems, electronic warfare and aircraft integration products, structural and engine components, radomes, and apertures; solar arrays and solar panel substrates; optical support structures; radio frequency antenna reflectors and antennas; composite bus structures, towers, and subsystems; thermal systems; deployable booms and masts; titanium propellant tanks; and insertion motors, as well as technical services. The company was founded in 1990 and is headquartered in Minneapolis, Minnesota.