21st Infantry Regiment (United States)

21st Infantry Regiment
21st Infantry Regiment coat of arms
Active	30 May 1862-
Country	United States
Branch	Infantry Branch (United States)
Type	Regiment
Garrison/HQ	Fort Wainwright, Alaska; Schofield Barracks, Hawaii
Nickname	Gimlet (Special Designation) ^[1]
Motto	Duty
Engagements	American Civil War Indian Wars War with Spain Philippine–American War World War II Korean War Vietnam War Armed Forces Expeditions - Panama
Insignia
Distinctive Unit Insignia

U.S. Infantry Regiments
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20th Infantry Regiment	22nd Infantry Regiment

The 21st Infantry Regiment ("Gimlet"^[1]) is a United States Army infantry regiment.

Lineage

Constituted 3 May 1861 in the Regular Army as the 2nd Battalion, 12th Infantry
Organized 20 May 1862 at Fort Hamilton, New York
Reorganized and redesignated 7 December 1866 as the 21st Infantry
Consolidated 9–31 August 1869 with the 32nd Infantry (see ANNEX) and consolidated unit designated as the 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)
Relieved 5 June 1958 from assignment to the 24th Infantry Division and reorganized as a parent regiment under the Combat Arms Regimental System
Withdrawn 16 January 1986 from the Combat Arms Regimental System and reorganized under the United States Army Regimental System

Constituted 3 May 1861 in the Regular Army as the 3d Battalion, 14th Infantry
Organized 27 July 1865 at Fort Trumbull, Connecticut
Reorganized and redesignated 21 September 1866 as the 32d Infantry
Consolidated 9–31 August 1869 with the 21st Infantry and consolidated unit designated as the 21st Infantry

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–American War: Zapote River; Luzon 1899; 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
Armed Forces Expeditions: Panama
Operation Uphold Democracy, Port-Au-Prince, Haiti, 1995
Operation Iraqi Freedom and Enduring Freedom (Afghanistan), Global War on Terrorism