Lineage. Constituted as 99 Medical Group, and activated, on 1 Jan 1953. Redesignated as 99 Tactical Hospital on 15 Feb 1954. Inactivated on 1 Jun 1959. Redesignated as 99 Medical Group on 25 Sep 1995. Activated on 1 Oct 1995.Assignments. 99 Strategic Reconnaissance (later, 99 Bombardment)