 It was inactivated on 23 August 1988.As the 4th Bombardment Wing, the unit was one of the primary B-17 Flying Fortress heavy strategic bombardment wings of VIII Bomber Command (later Eighth Air Force in World War II.During the Cold War, the 4th Air Division' was an intermediate command echelon of Strategic Air Command, controlling strategic bombardment and intercontinental strategic missile wings until inactivated in 1988.