Lineage. Constituted as 505th Bombardment Squadron (Heavy) on 3 Sep 1942. Activated on 7 Sep 1942. Inactivated on 1 Apr 1944. Consolidated (19 Sep 1985) with the 905th Air Refueling Squadron, Heavy, which was constituted, and activated, on 12 Oct 1959. Organized on 1 Feb 1960. Redesignated 905th Air