Lineage. Constituted 609 Bombardment Squadron (Heavy) on 15 Feb 1943. Activated on 1 Mar 1943. Disbanded on 10 Apr 1944. Reconstituted, and consolidated (19 Sep 1985), with the 509 Air Refueling Squadron, Medium, which was constituted on 30 Jun 1948. Activated on 19 Jul 1948. Discontinued, and