Lineage. Constituted as 1 Materiel Squadron, 23 Air Base Group (Reinforced), and activated, on 1 Sep 1940. Redesignated: 31 Materiel Squadron on 17 Jan 1941; 31 Service Squadron on 14 Jul 1942; 31 Air Service Squadron on 20 Aug 1943; 31 Engineering Squadron on 10 Nov 1944; 31 Air Engineering Squadron on 25 Jan 1945. Inactivated on 30 Nov 1945. Activated on 19 May 1947. Inactivated on 12 Aug 1948. Disbanded on 8 Oct 1948. Reconstituted, redesignated 31 Munitions Squadron, and activated, on 1 Aug 1996. Inactivated on 22 Mar 2004. Activated on 11 Sep 2007.
Assignments. 23 Air Base Group (Reinforced) [later, 23 Service Group], 1 Sep 1940; 366 Service (later, 366 Air Service) Group, 10 Nov 1944-30 Nov 1945. 87 Air Service Group, 19 May 1947-12 Aug 1948. 31 Logistics (later, 31 Maintenance) Group, 1 Aug 1996-22 Mar 2004. 31 Maintenance Group, 11 Sep 2007-.
Stations. March Field, CA, 1 Sep 1940; Moffett Field, CA, 10 Dec 1940-12 Feb 1941; Elmendorf Field, AK, 23 Feb 1941; Amchitka Island, AK, 21 Mar 1943; Fort Lawton, WA, 26 Oct 1944; McChord Field, WA, 3 Nov 1944; Stinson Field, TX, 8 Nov 1944; Smoky Hill AAFld, KS, c. 1 Apr 1945; Fort Lawton, WA, 10-17 Jul 1945; Okinawa, by 1 Sep 1945-30 Nov 1945. Andrews Field, MD, 19 May 1947-12 Aug 1948. Leghorn, Italy, 1 Aug 1996-22 Mar 2004. Livorno, Italy, 11 Sep 2007; Aviano AFB, IT, 31 Jul 2009-.
Service Streamers. World War II: American Theater.
Campaign Streamers. World War II: Aleutian Islands. Kosovo: Air Campaign.
Armed Forces Expeditionary Streamers. None.
Decorations. Air Force Outstanding Unit Awards: [1 Aug] 1996-1 Apr 1998; 24 Mar 1999-10 Jun 1999; 1 Oct 2000-1 Oct 2002; 2 Oct 2002-[22 Mar] 2004; 1 Jun 2009-31 May 2011; 1 Jan 2012-31 Dec 2013; 1 Jan-31 Dec 2014.
Lineage, Assignments, Stations, and Honors through 11 Jan 2023.
Supersedes statement prepared on 23 Aug 2007.
Emblem. Approved on 30 Jul 2003.
Prepared by James Musser.
Reviewed by Margaret Ream.