ATK's Aerospace Group covered space, defense and commercial aerospace products and capabilities. The group offered propulsion for space exploration, commercial launch vehicles and strategic and missile defense. ATK Aerospace was headquartered in Magna, Utah.

It also specialized in:
* Composite structures for military and commercial aircraft
*Rolls-Royce Trent XWB-97 engine
*Lockheed Martin F-35 Lightning II (also known as