The 401st Air Expeditionary Group (AEG) is an operational unit of the United States Air Force. Originally established as the 401st Bombardment Wing in 1952, it has since evolved to adapt to changing military needs and strategies. As part of the Air Combat Command, the 401st AEG carries out various air expeditionary operations worldwide, providing quick-response forces for contingencies and supporting ongoing missions. The group is headquartered at Whiteman Air Force Base in Missouri and operates B-2 Spirit stealth bombers.