Lineage. Constituted as 65 Bombardment Squadron (Heavy) on 20 Nov 1940. Activated on 15 Jan 1941. Redesignated as 65 Bombardment Squadron, Heavy, on 21 Sep 1943. Inactivated on 29 Apr 1946. Redesignated as 65 Bombardment Squadron, Very Heavy, and activated, on 1 Oct 1946. Redesignated as 65