31st Fighter Wing — Infobox Military Unit unit name=31st Fighter Wing caption= dates= 1 February 1940 7 November 1945 20 August 1946 present country=United States allegiance= branch=United States Air Force type= role= size= command structure=United States Air Forces … Wikipedia
31st Infantry Regiment (United States) — Infobox Military Unit unit name=31st Infantry Regiment caption=31st Infantry Regiment coat of arms dates=August 13, 1916 Present country=USA allegiance=Federal branch=Regular Army type=Infantry role= size= command structure= current commander=… … Wikipedia
31st Test and Evaluation Squadron — Infobox Military Unit unit name= 31st Test and Evaluation Squadron caption= 31st Test and Evaluation Squadron patch dates= country= United States allegiance= branch= United States Air Force type= role= size= command structure= 53d Test and… … Wikipedia
31st Cavalry Regiment (United States) — Infobox Military Unit unit name=31st Cavalry Regiment caption=31st Cavalry coat of arms nickname= Super Quick Cav (old) motto=CELER ET NON VISI (Swift and Unseen) colors=Red, White march= ceremonial chief= type=Cavalry branch=Army dates=1821 1860 … Wikipedia
31st Infantry Division (United States) — Infobox Military Unit unit name=U.S. 31st Infantry Division caption= 31st Infantry Division shoulder sleeve insignia country=United States allegiance= type=Division branch=Regular Army dates=October, 1917 December 21, 1945 specialization=… … Wikipedia
31st Maine Infantry Regiment — Infobox Military Unit unit name= 31st Maine Volunteer Infantry Regiment| caption=Flag of Maine dates= April 17, 1864 to July 15, 1865 country= United States allegiance= Union branch= Infantry equipment= colonels of the regiment= battles= Battle… … Wikipedia
31st Marine Expeditionary Unit — Infobox Military Unit unit name=31st Marine Expeditionary Unit caption= 31st MEU s Insignia dates= March 1, 1967 May 1985 September 9, 1992 present country=United States allegiance= branch=USMC type= Marine Air Ground Task Force role= Forward… … Wikipedia
31st Strategic Reconnaissance Squadron — Infobox Military Unit unit name= 31st Strategic Reconnaissance Squadron caption= dates= 1950 country= United States allegiance= branch= United States Air Force type= role= Strategic Reconnaissance size= command structure= current commander=… … Wikipedia
31st G8 summit — Infobox G8 summit name = 31st G8 summit year = 2005 caption = 31rst G8 Summit official logo country = United Kingdom dates = July 6 – July 8, The 31st G8 summit was held from July 6 to July 8 2005 at the Gleneagles Hotel in Auchterarder, Perth… … Wikipedia
31st Iowa Volunteer Infantry Regiment — Infobox Military Unit unit name= 31st Regiment Iowa Volunteer Infantry caption=Iowa state flag dates= October 13, 1862 to June 27, 1865 country= United States allegiance= Union branch= Infantry equipment= battles= Siege of Vicksburg Battle of… … Wikipedia