Headquarters
181st Infantry Brigade
Lineage and Honors Information as of 25 April 2007
Headquarters, 181st Infantry Brigade Lineage
Constituted 5 August 1917 in the National Army as Headquarters, 181st Infantry Brigade, and assigned to the
91st Division
Organized 4 September 1917 at Camp Lewis, Washington
Demobilized in April 1919 at Camp Kearny, California
Reconstituted 24 June 1921 in the Organized Reserves as Headquarters and Headquarters Company, 181st Infantry Brigade, and
assigned to the 91st Division
Organized in November 1921 at San Francisco, California
Redesignated 23 March 1925 as Headquarters and Headquarters Company, 181st Brigade
Redesignated 24 August 1936 as Headquarters and Headquarters Company, 181st Infantry Brigade
Converted and redesignated 6 April 1942 as the 91st Reconnaissance Troop (less 3d Platoon), 91st Division (Headquarters and
Headquarters Company, 182d Infantry Brigade, concurrently converted and redesignated as the 3d Platoon, 91st Reconnaissance
Troop, 91st Division)
Troop ordered into active military service 15 August 1942 and reorganized at Camp White, Oregon, as the 91st Cavalry
Reconnaissance Troop, an element of the 91st Infantry Division
Reorganized and redesignated 15 August 1943 as the 91st Reconnaissance Troop, Mechanized
Inactivated 19 November 1945 at Camp Rucker, Alabama
Activated 25 January 1947 at San Francisco, California, as the 91st Mechanized Cavalry Reconnaissance Troop
(Organized Reserves redesignated 25 March 1948 as the Organized Reserve Corps; redesignated 9 July 1952 as the Army Reserve)
Reorganized and redesignated 16 March 1949 as the 91st Reconnaissance Company
Inactivated 17 May 1954 at San Francisco, California
Activated 17 April 1956 at Sonora, California
Disbanded 1 May 1959 at Sonora, California
Reconstituted (less 3d Platoon) 27 March 1963 in the Regular Army as Headquarters and Headquarters Company, 2d Brigade, 63d
Infantry Division (3d Platoon, 91st Reconnaissance Company - hereafter separate lineage)
Activated 1 April 1963 at Pasadena, California
Inactivated 31 December 1965 at Pasadena, California
Redesignated 1 December 2006 as Headquarters and Headquarters Company, 181st Infantry Brigade; Headquarters concurrently
activated at Fort McCoy, Wisconsin
Headquarters, 181st Infantry Brigade Honors
Campaign Participation Credit
World War I: Ypres-Lys, Meuse-Argonne, Lorraine 1918
World War II: Rome-Arno, North Apennines, Po Valley
Decorations
None