Lineage and Honors Information as of 24 May 2017
3d Battalion, 21st Infantry Regiment
(Gimlet)
- Constituted 3 May 1861 in the Regular Army as Company C, 2d Battalion, 12th Infantry
- Organized 28 May 1862 at Fort Hamilton, New York
- Reorganized and redesignated 7 December 1866 as Company C, 21st Infantry
- Consolidated 27 August 1869 with Company C, 32d Infantry (see ANNEX), and consolidated unit designated as Company C, 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])
- Inactivated 5 June 1958 and relieved from assignment to the 24th Infantry Division
- Redesignated 31 March 1959 as Headquarters and Headquarters Company, 3d Battle Group, 21st Infantry; concurrently withdrawn from the Regular Army, allotted to the Army Reserve, and assigned to the 63d Infantry Division (organic elements concurrently constituted)
- Battle Group activated 1 May 1959 with Headquarters at Santa Barbara, California
- Inactivated 1 April 1963 at Santa Barbara, California, and relieved from assignment to the 63d Infantry Division
- Redesignated 10 September 1965 as the 3d Battalion, 21st Infantry; concurrently withdrawn from the Army Reserve, allotted to the Regular Army, and assigned to the 196th Infantry Brigade
- Activated 15 September 1965 at Fort Devens, Massachusetts
- Relieved 15 February 1969 from assignment to the 196th Infantry Brigade and assigned to the 23d Infantry Division
- Relieved 1 November 1971 from assignment to the 23d Infantry Division and assigned to the 196th Infantry Brigade
- Inactivated 23 August 1972 at Oakland, California
- Relieved 16 January 1986 from assignment to the 196th Infantry Brigade, assigned to the 25th Infantry Division, and activated at Schofield Barracks, Hawaii
- Inactivated 15 July 1995 at Schofield Barracks, Hawaii, and relieved from assignment to the 25th Infantry Division
- Assigned 16 March 2002 to the 25th Infantry Division and activated at Fort Lewis, Washington
- Redesignated 1 October 2005 as the 3d Battalion, 21st Infantry Regiment
- Inactivated 1 June 2006 at Fort Lewis, Washington, and relieved from assignment to the 25th Infantry Division
- Assigned 16 December 2006 to the 1st Brigade Combat Team, 25th Infantry Division, and activated at Fort Wainwright, Alaska
- ANNEX
- Constituted 3 May 1861 in the Regular Army as Company C, 3d Battalion, 14th Infantry
- Organized in September 1865 at Hart Island, New York
- Reorganized and redesignated 21 September 1866 as Company C, 32d Infantry
- Consolidated 27 August 1869 with Company C, 21st Infantry, and consolidated unit designated as Company C, 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
- Vietnam
- Counteroffensive, Phase II
- Counteroffensive, Phase III
- Tet Counteroffensive
- Counteroffensive, Phase IV
- Counteroffensive, Phase V
- Counteroffensive, Phase VI
- Tet 69/Counteroffensive
- Summer-Fall 1969
- Winter-Spring 1970
- Sanctuary Counteroffensive
- Counteroffensive, Phase VII
- Consolidation I
- Consolidation II
- Cease-Fire
- War on Terrorism
- Iraq:
- Iraqi Surge
- Iraqi Sovereignty
- (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 TAM KY - TIEN PHUOC
- Valorous Unit Award, Streamer embroidered NINEVEH PROVINCE 2005
- Meritorious Unit Commendation (Army), Streamer embroidered IRAQ 2008-2009
- Navy Unit Commendation, Streamer embroidered CAM LO
- Philippine Presidential Unit Citation, Streamer embroidered 17 OCTOBER 1944 TO4 JULY 1945
- Republic of Korea Presidential Unit Citation, Streamer embroidered PYONGTAEK
- Republic of Korea Presidential Unit Citation, Streamer embroidered KOREA 1953
- Republic of Vietnam Cross of Gallantry with Palm, Streamer embroidered VIETNAM 1969
- Republic of Vietnam Cross of Gallantry with Palm, Streamer embroidered VIETNAM 1969-1970
- Republic of Vietnam Cross of Gallantry with Palm, Streamer embroidered VIETNAM 1971
By Order of the Secretary of the Army:
CHARLES R. BOWERY, JR.
Chief of Military History