21st Infantry
(Gimlet)
Lineage and Honors Information as of 2 June 1997
21st Infantry Lineage
Constituted 3 May 1861 in the Regular Army as the 2d 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 32d 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Withdrawn 16 January 1986 from the Combat Arms Regimental System and reorganized under the United States Army Regimental System
ANNEX
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
21st Infantry Honors
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 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
Decorations
Presidential Unit Citation (Army) for DEFENSE OF KOREA
Presidential Unit Citation (Army) for SANGHONGJONG-NI
Valorous Unit Award for TAM KY - TIEN PHUOC
Navy Unit Commendation for CAM LO
Philippine Presidential Unit Citation for 17 OCTOBER 1944 TO 4 JULY 1945
Republic of Korea Presidential Unit Citation for PYONGTAEK
Republic of Korea Presidential Unit Citation for KOREA