Lineage. Constituted as 28 Reconnaissance Squadron (Heavy) on 28 Jan 1942. Redesignated as 418 Bombardment Squadron (Heavy) on 22 Apr 1942. Activated on 1 Jun 1942. Redesignated as 418 Bombardment Squadron, Heavy, on 20 Aug 1943. Inactivated on 19 Dec 1945. Redesignated as 418 Bombardment