 The origins of the 499th Air Refueling Wing date to 1 April 1955, when Strategic Air Command (SAC) organized the 4050th Air Refueling Wing at Westover Air Force Base, Massachusetts and assigned it to Eighth Air Force and later the 57th Air Division.The 4050th became the host organization when Westover transferred to SAC from Military Air Transport Service.In addition to the 384th Air Refueling Squadron, flying Boeing KC-97 Stratotankers, the wing was assigned three maintenance squadrons and an air base group.