Lineage. Established as 307 Bombardment Wing, Very Heavy, on 28 Jul 1947. Organized on 15 Aug 1947. Redesignated as 307 Bombardment Wing, Medium, on 28 May 1948. Discontinued and inactivated on 25 Mar 1965. Redesignated as 307 Strategic Wing on 21 Jan 1970. Activated on 1 Apr 1970.