The 514th Air Defense Group is a disbanded United States Air Force (USAF) organization. Its last assignment was with the 31st Air Division at Minneapolis-St. Paul International Airport, Minnesota. It was inactivated on 18 August 1955. The group was originally activated as a support group for the 319th Bombardment Group in Italy at the end of World War II. After the end of combat in Europe, it deployed to Okinawa, where it was inactivated. The group was activated once again in 1953, when ADC established it as the headquarters for a dispersed fighter-interceptor squadron and the medical, maintenance, and administrative squadrons supporting it. It was replaced in 1955 when ADC transferred its mission, equipment, and personnel to the 475th Fighter Group in a project that replaced air defense g