sentences:  The wing was first organized in August 1955 as the 79th USAF Infirmary at Youngstown Municipal Airport when the 79th Fighter Group was activated to replace the 502d Air Defense Group as part of Air Defense Command's Project Arrow, a program to restore fighter units that had compiled memorable records in the two World Wars.The unit absorbed the personnel and equipment of the 502d USAF Infirmary.In May 1957, the unit became the 79th USAF Dispensary, when the Air Force renamed its small medical units.