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Lineage And Honors Information

Lineage and Honors Information as of 6 September 2012


  • Organized 1884-1885 in the Dakota Territorial Militia as the 2d Regiment
  • (Territory of Dakota reorganized 2 November 1889 as the states of North and South Dakota)
  • (Organized Militia of South Dakota redesignated 6 March 1893 as the South Dakota National Guard)
  • Redesignated 9 September 1893 as the 1st Regiment
  • Mustered into Federal service 12-19 May 1898 at Sioux Falls as the 1st South Dakota Volunteer Infantry; mustered out of Federal service 5 October 1899 at the Presidio of San Francisco, California
  • Reorganized 11 April 1901 in the South Dakota State Guard as the 1st Regiment; 2d Regiment organized August 1901-August 1902
  • 1st and 2d Regiments reorganized and redesignated 17 March 1903 in the South Dakota National Guard as the 2d and 3d Regiments, respectively
  • 2d and 3d Regiments consolidated 16 May 1905 to form the 4th Infantry
  • Mustered into Federal service 30 June 1916; mustered out of Federal service 3 March 1917 at Fort Crook, Nebraska
  • Called into Federal service 15 July 1917; drafted into Federal service 5 August 1917
  • Consolidated 2 October 1917 with Batteries A and B, Oregon Field Artillery, to form the 147th Field Artillery and assigned to the 41st Division
  • Demobilized 23 May 1919 at Camp Dodge, Iowa
  • Former 4th Infantry reorganized in part 10 November 1922 in east-central South Dakota as the 2d Battalion, 136th Engineer Regiment (remainder of regiment reorganized as the 147th Field Artillery�hereafter separate lineage)
  • Expanded, reorganized, and redesignated 1 May 1924 as the 109th Engineer Regiment, with Headquarters at Rapid City, and assigned to the 34th Division (later redesignated as the 34th Infantry Division)
  • Inducted into Federal service 10 February 1941 at home stations
  • Regiment (less 1st Battalion) reorganized and redesignated 1 February 1942 as the 109th Engineer Battalion, an element of the 34th Infantry Division (1st Battalion concurrently redesignated as the 1st Battalion, 132d Engineers�hereafter separate lineage)
  • Reorganized and redesignated 1 August 1942 as the 109th Engineer Combat Battalion
  • Inactivated 3 November 1945 at Camp Patrick Henry, Virginia
  • Relieved 19 June 1946 from assignment to the 34th Infantry Division
  • Reorganized and Federally recognized 21 May 1947 in the South Dakota National Guard in southwestern South Dakota with Headquarters at Rapid City
  • Ordered into active Federal service 3 September 1950 at home stations
  • (109th Engineer Combat Battalion [NGUS] organized and Federally recognized 3 September 1952 with Headquarters at Rapid City; redesignated 1 October 1953 as the 109th Engineer Battalion [NGUS])
  • Reorganized and redesignated 4 June 1953 as the 109th Engineer Battalion
  • Released from active Federal service 17 December 1954 and reverted to state control; Federal recognition concurrently withdrawn from the 109th Engineer Battalion (NGUS)
  • Headquarters, Headquarters and Service Company, 109th Engineer Battalion, reorganized and redesignated 15 September 1956 as Headquarters and Headquarters Company, 109th Engineer Group (remainder of battalion reorganized as the 109th Engineer Battalion�hereafter separate lineage)
  • Ordered into active Federal service 21 November 1990 at Rapid City; released from active Federal service 17 June 1991 and reverted to state control
  • Ordered into active Federal service 28 April 2004 at Rapid City; released from active Federal service 2 October 2005 and reverted to state control
  • Converted, reorganized, and redesignated 1 September 2008 as Headquarters and Headquarters Detachment, 109th Support Group
  • HOME STATION: Rapid City


  • Philippine Insurrection
  • Manila
  • Malolos
  • World War I
  • Alsace
  • Aisne-Marne
  • Oise-Aisne
  • Meuse-Argonne
  • Lorraine 1918
  • Champagne 1918
  • World War II
  • Algeria-French Morocco
  •    (with arrowhead)
  • Tunisia
  • Naples-Foggia
  • Anzio
  • Rome-Arno
  • North Apennines
  • Po Valley
  • Southwest Asia
  • Defense of Saudi Arabia
  • Liberation and Defense of Kuwait
  • Cease-Fire
  • War on Terrorism
  • Campaigns to be determined
  • (additional campaigns to be determined)


  • Meritorious Unit Commendation (Army), Streamer embroidered AFGHANISTAN 2004-2005
  • French Croix de Guerre with Gilt Star, World War I, Streamer embroidered AISNE-MARNE, OISE-AISNE
  • French Croix de Guerre with Palm, World War II, Streamer embroidered BELVEDERE


Director, Center of Military History

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