Constituted 19 November 1917 in the Regular Army as Headquarters, 8th Infantry Brigade, an element of the 4th Division

Organized in December 1917 at Camp Greene, North Carolina

Reorganized and redesignated in March 1921 as Headquarters and Headquarters Company, 8th Infantry Brigade

Redesignated 23 March 1925 as Headquarters and Headquarters Company, 8th Brigade

Redesignated 23 August 1936 as Headquarters and Headquarters Company, 8th Infantry Brigade

Disbanded 1 July 1940 at Fort McPherson, Georgia

Reconstituted 21 August 1963 in the Regular Army as Headquarters and Headquarters Company, 3d Brigade, 4th Infantry Division

Activated 1 October 1963 at Fort Lewis, Washington

Inactivated 10 April 1970 at Fort Lewis, Washington

Activated 15 December 1970 at Fort Carson, Colorado

Headquarters and Headquarters Company
3d Brigade, 4th Infantry Division Honors

Campaign Participation Credit

World War I: Aisne-Marne; St. Mihiel; Meuse-Argonne; Champagne 1918; Lorraine 1918

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

Decorations

Presidential Unit Citation (Army) for SOUI-TRE, VIETNAM

Valorous Unit Award for QUANG NGAI PROVINCE

Republic of Vietnam Cross of Gallantry with Palm for VIETNAM 1966-1967

Republic of Vietnam Cross of Gallantry with Palm for VIETNAM 1967-1969

Republic of Vietnam Cross of Gallantry with Palm for VIETNAM 1969-1970

Republic of Vietnam Civil Action Honor Medal, First Class for VIETNAM 1967-1969