321st Bombardment Squadron (Heavy) and 321st Bombardment Squadron, Heavy

Constituted as 321 Bombardment Squadron (Heavy) on 28 Jan 1942. Activated on 15 Apr 1942. Redesignated as 321 Bombardment Squadron, Heavy, on 6 Mar 1944. Inactivated on 27 Jan 1946.

Australian embroidery on wool.

Stations. Key Field, MS, 15 Apr 1942; Barksdale Field, LA, 17 May 1942; Greenville AAB, SC, 21 Jun 1942; Ypsilanti, MI, 9–23 Aug 1942; Wheeler Field, TH, 12 Sep 1942; Iron Range, Australia, c. 4 Nov 1942; Port Moresby, New Guinea, 10 Feb 1943; Dobodura, New Guinea, Dec 1943; Nadzab, New Guinea, c. 23 Feb 1944; Biak, 12 Aug 1944; San Jose, Mindoro, 26 Jan 1945; Ie Shima, 15 Aug 1945; Ft William McKinley, Luzon, 23 Nov 1945–27 Jan 1946.