 On 8 February 1946, the unit moved to Wheeler Field, where it remained until inactivated on 15 October 1946.Its personnel and equipment were transferred to the 81st Fighter Group, which assumed its mission.The 15th was again activated on 18 August 1955 as the 15th Fighter Group (Air Defense) at Niagara Falls Municipal Airport, New York, where it replaced the 518th Air Defense Group as a result of Air Defense Command (ADC)'s Project Arrow, which was designed to bring back on the active list fighter units which had compiled memorable records during the two World Wars.