Lineage. Constituted as USAF Dispensary, Hickam on 12 May 1971. Activated on 17 May 1971. Redesignated as: USAF Clinic, Hickam on 1 Sep 1972; 15 Medical Group on 15 Sep 1987.Assignments. 6486 Air Base Wing, 17 May 1971; 15 Air Base (later, 15 Airlift; 15) Wing, 1 Nov 1971-.Stations. Hickam AFB