Its last assignment was with Pacific Air Forces, stationed at U-Tapao Royal Thai Navy Airfield, Thailand, where it was inactivated on 1 January 1976.

Was the primary training command organization for USAAF heavy bombardment (Boeing B-17 Flying Fortress and Consolidated B-24 Liberator) groups during World War II from June 1942 until May 1944.

Initially, it controlled the third phase of training, in which each bombardment group split into tactical components and operated from squadron sized airfields under simulated combat conditions.

[1] In 1943 assumed mission for training Boeing B-29 Superfortress Very Heavy bombardment groups prior to their deployment to Twentieth Air Force in the Pacific Theater until April 1946 when it ceased all activity.

The two bombardment wings flew normal Strategic Air Command alert patrols and participated in special exercises as required.