Headquarters and Headquarters Company
1st Brigade, 1st Cavalry Division
(Iron Horse)
Constituted 29 August 1917 in the Regular Army as
Headquarters, 1st Cavalry Brigade
Organized in February 1918 at Fort Sam Houston, Texas, as an
element of the 15th Cavalry Division
Relieved 12 May 1918 from assignment to the 15th Cavalry
Division
Demobilized 14 July 1919 at Brownsville, Texas
Reconstituted 20 August 1920 in the Regular Army as
Headquarters and Headquarters Troop, 1st Cavalry Brigade, and assigned to the
1st Cavalry Division
Organized 1 September 1921 at Camp Harry J. Jones, Arizona
Inactivated 25 March 1949 in Japan and relieved from
assignment to the 1st Cavalry Division
Converted and redesignated 20 May 1949 as Headquarters, 1st
Constabulary Brigade, assigned to the United States Constabulary, and activated
in Germany
Relieved 24 November 1950 from assignment to the United
States Constabulary
Inactivated 15 August 1951 in Germany
Disbanded 5 December 1951
Reconstituted 15 July 1963 in the Regular Army as
Headquarters and Headquarters Company, 1st Brigade, 1st Cavalry Division
Activated 1 September 1963 in Korea
World War II: New Guinea;
Bismarck Archipelago (with arrowhead); Leyte (with arrowhead); Luzon
Vietnam: Defense;
Counteroffensive; 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
Southwest Asia: Defense of
Saudi Arabia; Liberation and Defense of Kuwait
Presidential Unit Citation (Army) for LUZON
Presidential Unit Citation (Army) for PLEIKU PROVINCE
Valorous Unit Award for FISH HOOK
Meritorious Unit Commendation (Army) for SOUTHWEST ASIA
Philippine Presidential Unit Citation for 17 OCTOBER 1944 TO
4 JULY 1945
Republic of Vietnam Cross of Gallantry with Palm for VIETNAM
1965-1969
Republic of Vietnam Cross of Gallantry with Palm for VIETNAM
1969-1970
Republic of Vietnam Cross of Gallantry with Palm for VIETNAM
1970-1971
Republic of Vietnam Civil Action Honor Medal, First Class for
VIETNAM 1969-1970