CMH Home
CMH Home
Lineage And Honors Information

Lineage and Honors Information as of 10 February 2016

1st Battalion, 21st Infantry Regiment
(Gimlet)

  • Constituted 3 May 1861 in the Regular Army as Company A, 2d Battalion, 12th Infantry
  • Organized 20 May 1862 at Fort Hamilton, New York
  • Reorganized and redesignated 7 December 1866 as Company A, 21st Infantry
  • Consolidated 20 August 1869 with Company A, 32d Infantry (see ANNEX), and consolidated unit designated as Company A, 21st Infantry
  • (21st Infantry assigned 29 July 1918 to the 16th Division; relieved 8 March 1919 from assignment to the 16th Division; assigned 22 October 1921 to the Hawaiian Division [later redesignated as the 24th Infantry Division])
  • Redesignated 5 June 1958 as Headquarters and Headquarters Company, 1st Battle Group, 21st Infantry, and remained assigned to the 24th Infantry Division (organic elements concurrently constituted; activated 1 July 1958 in Germany)
  • Reorganized and redesignated 1 February 1963 as the 1st Battalion, 21st Infantry
  • Inactivated 15 April 1970 in Germany
  • Relieved 5 June 1972 from assignment to the 24th Infantry Division, assigned to the 25th Infantry Division, and activated at Schofield Barracks, Hawaii
  • Redesignated 1 October 2005 as the 1st Battalion, 21st Infantry Regiment
  • Relieved 16 October 2005 from assignment to the 25th Infantry Division, and assigned to the 2d Brigade Combat Team, 25th Infantry Division
  • ANNEX
  • Constituted 3 May 1861 in the Regular Army as Company A, 3d Battalion, 14th Infantry
  • Organized in August 1865 at Fort Trumbull, Connecticut
  • Reorganized and redesignated 21 September 1866 as Company A, 32d Infantry
  • Consolidated 20 August 1869 with Company A, 21st Infantry, and consolidated unit designated as Company A, 21st Infantry

Campaign Participation Credit

  • Civil War
  • Peninsula
  • Manassas
  • Antietam
  • Fredericksburg
  • Chancellorsville
  • Gettysburg
  • Wilderness
  • Spotsylvania
  • Cold Harbor
  • Petersburg
  • Virginia 1862
  • Virginia 1863
  • Indian Wars
  • Modocs
  • Nez Perces
  • Bannocks
  • Arizona 1866
  • Arizona 1867
  • Arizona 1868
  • Arizona 1869
  • Arizona 1870
  • War with Spain
  • Santiago
  • Philippine Insurrection
  • Zapote River
  • Luzon 1899
  • Luzon 1900
  • Luzon 1901
  • Luzon 1902
  • World War II
  • Central Pacific
  • New Guinea (with arrowhead)
  • Leyte
  • Luzon
  • Southern Philippines
  • (with arrowhead)
  • Korean War
  • UN Defensive
  • UN Offensive
  • CCF Intervention
  • First UN Counteroffensive
  • CCF Spring Offensive
  • UN Summer-Fall Offensive
  • Second Korean Winter
  • Korea, Summer 1953
  • War on Terrorism
  • Iraq:
  • Transition of Iraq
  • Iraqi Governance
  • (Additional campaigns to be determined)

Decorations

  • Presidential Unit Citation (Army), Streamer embroidered DEFENSE OF KOREA
  • Presidential Unit Citation (Army), Streamer embroidered SANGHONGJONG-NI
  • Valorous Unit Award, Streamer embroidered BAGHDAD 2007-2009
  • Meritorious Unit Commendation (Army), Streamer embroidered IRAQ 2010-2011
  • Philippine Presidential Unit Citation, Streamer embroidered 17 OCTOBER 1944 TO 4 JULY 1945
  • Republic of Korea Presidential Unit Citation, Streamer embroidered PYONGTAEK
  • Republic of Korea Presidential Unit Citation, Streamer embroidered KOREA 1953

By Order of the Secretary of the Army:

CHARLES R. BOWERY, JR.
Chief of Military History


Return to Branch Index