Constituted 3 May 1861 in the Regular Army as Company E, 2d Battalion, 11th Infantry

Organized 8 September 1865 near Richmond, Virginia

Reorganized and redesignated 6 December 1866 as Company E, 20th Infantry

(20th Infantry assigned 9 July 1918 to the 10th Division; relieved 14 February 1919 from assignment to the 10th Division; assigned 18 September 1920 to the 2d Division; relieved 16 October 1939 from assignment to the 2d Division and assigned to the 6th Division [later redesignated as the 6th Infantry Division])

Inactivated 10 January 1949 in Korea

Activated 4 October 1950 at Fort Ord, California

(20th Infantry relieved 3 April 1956 from assignment to the 6th Infantry Division)

Inactivated 15 November 1957 in the Canal Zone; concurrently redesignated as Headquarters and Headquarters Company, 5th Battle Group, 20th Infantry

Redesignated 22 June 1960 as Company E, 20th Infantry

Activated 24 June 1960 in Korea

Inactivated 1 January 1966 in Korea

Activated 25 September 1967 in Vietnam

Inactivated 1 February 1969 in Vietnam

Activated 30 June 1971 in Vietnam

Inactivated 16 August 1972 in Vietnam

Redesignated 16 August 1986 as Headquarters and Headquarters Company, 5th Battalion, 20th Infantry, assigned to the 2d Infantry Division, and activated in Korea (organic elements concurrently constituted and activated)

Battalion relieved 16 August 1995 from assignment to the 2d Infantry Division and assigned to the 25th Infantry Division

Relieved 16 September 2000 from assignment to the 25th Infantry Division and assigned to the 2d Infantry Division

5th Battalion
20th Infantry Honors

Campaign Participation Credit

Civil War: Peninsula; Manassas; Antietam; Fredericksburg; Chancellorsville; Gettysburg; Wilderness; Spotsylvania; Cold Harbor; Petersburg; Virginia 1862; Virginia 1863

Indian Wars: Little Big Horn; Pine Ridge

War with Spain: *Santiago; Philippine Insurrection; *Manila; *Luzon 1901

World War II: *New Guinea; *Luzon (with arrowhead)

Vietnam: *Counteroffensive, Phase III; *Tet Counteroffensive; *Counteroffensive, Phase IV; *Counteroffensive, Phase V; *Counteroffensive, Phase VI; *Counteroffensive, Phase VII; *Consolidation I; *Consolidation II; *Cease-Fire

Decorations

Presidential Unit Citation (Army) for MAFFIN BAY

*Presidential Unit Citation (Army) for CABARUAN HILLS

Presidential Unit Citation (Army) for MUNOZ

*Meritorious Unit Commendation (Army) for VIETNAM 1972

*Philippine Presidential Unit Citation for 17 OCTOBER 1944 TO 4 JULY 1945

*Republic of Vietnam Cross of Gallantry with Palm for VIETNAM 1967-1968

*Republic of Vietnam Civil Action Honor Medal, First Class for VIETNAM 1967-1968