The 131st Bomb Wing is a unit of the Missouri Air National Guard, stationed at Whiteman Air Force Base, Knob Noster, Missouri. If activated to federal service, the wing is gained by the United States Air Force Global Strike Command. It is an associate unit of the active-duty 509th Bomb Wing, which falls under the Eighth Air Force. The 131st Bomb Wing is the only Air National Guard wing to fly the B-2 Spirit, as well as the only nuclear-capable Air National Guard bomb wing.