Astronomy and Space
Alliant Techsystems Inc. (ATK) was an American aerospace and arms manufacturer headquartered in Arlington County, Virginia. The company operated across 22 states, Puerto Rico, and internationally. ATK revenue in fiscal year 2014 was about US$4.8 billion. On April 29, 2014, ATK announced that it would spin off its Sporting Group and merge its Aerospace and Defense Groups with Orbital Sciences Corporation. The spinoff of the Sporting Group to create Vista Outdoor and the merger leading to the creation of Orbital ATK were completed on February 9, 2015. The companies began operations as separate entities on February 20, 2015. Orbital ATK was bought by Northrop Grumman in 2018.
Goddard Space Flight Center.
Galileo Galilei.
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