Lineage. Constituted as 320 Bombardment Squadron (Heavy) on 28 Jan 1942. Activated on 15 Apr 1942. Redesignated as 320 Bombardment Squadron, Heavy, on 6 March 1944. Inactivated on 27 Jan 1946. Redesignated as 320 Bombardment Squadron, Very Heavy, on 11 Jun 1947. Activated on 1 Jul 1947. Inactivated on 6 Sep 1948. Redesignated as 320 Bombardment Squadron, Medium, on 20 Dec 1950. Activated on 2 Jan 1951. Redesignated as 320 Strategic Reconnaissance Squadron, Medium, on 16 Jun 1952. Discontinued on 20 Jun 1960. Redesignated as 320 Strategic Missile Squadron (ICBM-Minuteman) on 30 Jul 1963. Organized on 8 Jan 1964. Redesignated as 320 Missile Squadron on 1 Sep 1991.
Assignments. 90 Bombardment Group, 15 Apr 1942–27 Jan 1946. 90 Bombardment Group, 1 Jul 1947–6 Sep 1948. 90 Bombardment Group, 2 Jan 1951 (attached to 90 Strategic Reconnaissance Wing, 16 Feb 1951–15 Jun 1952); 90 Strategic Reconnaissance Wing, 16 Jun 1952–20 Jun 1960. Strategic Air Command, 30 Jul 1963; 90 Strategic Missile Wing, 8 Jan 1964; 90 Operations Group, 1 Sep 1991–.
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; Kipapa, 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, c. 10 Aug 1944; San Jose, Mindoro, 27 Jan 1945; Ie Shima, 10 Aug 1945; Ft William McKinley, Luzon, 23 Nov 1945–27 Jan 1946. Andrews Field (later AFB), MD, 1 Jul 1947–6 Sep 1948. Fairchild AFB, WA, 2 Jan 1951; Forbes AFB, KS, 14 Mar 1951–20 Jun 1960. F. E. Warren AFB, WY, 8 Jan 1964–.
Service Streamers. Global War on Terrorism – Service (GWOT-S).
Campaign Streamers. World War II: Air Offensive, Japan; China Defensive; Papua; Guadalcanal; New Guinea; Northern Solomons; Bismarck Archipelago; Western Pacific;
Leyte; Luzon; Southern Philippines; China Offensive.
Armed Forces Expeditionary Streamers. None.
Decorations. Distinguished Unit Citations: Papua, [16 Nov] 1942–23 Jan 1943; New
Guinea, 13 and 15 Sep 1943. Air Force Outstanding Unit Awards: 1 Jul 1968–30 Jun 1969; 1 Jul 1973–30 Jun 1975; 1 Jul 1982–30 Jun 1984; 1 Jul 1987–30 Jun 1989; 1 Aug 1991–31 Jul 1993; 1 Oct 1994-30 Sep 1995; 1 Sep 1996-31 Aug 1998; 1 Oct 1999-30 Sep 2000; 1 Jan-31 Dec 2001; 1 Oct 2003-30 Sep 2005; 1 Oct 2005-30 Sep 2007; 1 Oct 2007-30 Sep 2008; [1 Dec 2009]-31 May 2010; 1 Jun 2011-31 Dec 2012; 1 Jan-31 Dec 2013; 1 Jan-31 Dec 2016. Philippine Presidential Unit Citation (WWII).
Lineage, Assignments, Stations, and Honors through 11 Aug 2022.
Supersedes statement prepared on 15 Jun 2015.
Emblem. Approved on 16 Jun 2023.
Prepared by Melissa Lahue.
Reviewed by Margaret Ream.