Orbital ATK

Orbital ATK was an American aerospace and defense company known for designing and manufacturing satellites, launch vehicles, and ammunition. Formed in 2015 from the merger of Orbital Sciences Corporation and ATK (Alliant Techsystems), it played a vital role in space exploration, including supply missions to the International Space Station. In 2018, Orbital ATK was acquired by Northrop Grumman, further enhancing its capabilities in space and defense technologies. The company contributed to various significant projects, including the development of the Antares rocket and Cygnus spacecraft for cargo resupply missions.