During the Korean War, the 1st Group served in an air defense role while the Wing's elements divided to provide defense for both coasts. The 1st FIG Headquarters, and the 27th and 71st FIS were temporarily detached to the Eastern Air Defense Force, while the Wing headquarters and the 94th Fighter Interceptor Squadron were assigned as part the Western Air Defense Force. The group was inactivated on 6 February 1952, in a general reorganization of all ADC units responding to ADC's difficulty under the existing wing base organizational structure in deploying fighter squadrons to best advantage. and its squadrons reassigned to other ADC headquarters.