Homonym: ATK (Attack)
ATK, or Alliant Techsystems, is an American aerospace and defense company that specializes in producing ammunition, missiles, and other defense-related products. Founded in 1990, ATK has grown through various mergers and acquisitions, becoming a key player in the defense industry. The company focuses on providing innovative solutions for military and commercial customers.
In 2015, ATK merged with Orbital Sciences Corporation to form Orbital ATK, expanding its capabilities in space systems and launch vehicles. The company is known for its work on the Minuteman III intercontinental ballistic missile and various satellite systems, contributing significantly to national security and space exploration efforts.