Lineage. Constituted as USAF Hospital, Mountain Home, on 22 Mar 1971. Activated on 1 Apr 1971. Redesignated as 366 Medical Group on 15 Mar 1987.Assignments. 67 Tactical Reconnaissance Wing, 1 Apr 1971; 347 Tactical Fighter Wing, 15 Jul 1971; 366 Tactical Fighter Wing (later, 366 Wing; 366 Fighter