Special Troops Battalion, 1st Brigade Combat Team
The mission of the Special Troops Battalion, 1st Brigade Combat Team, 1st Cavalry Division, "Centurions," is to train and on order deploy C4ISR assets, and receive and integrate C2's attachments to enable the 1st Brigade Combat Team to conduct full spectrum operations worldwide. By providing intelligence, signal, military police, and Nuclear-Biological-Chemical (NBC) reconnaissance capabilities at brigade level, the Brigade Special Troops Battalion plays a valuable role supporting the 1st Brigade Combat Team, 1st Cavalry Division.
The Brigade Special Troops Battalion (BSTB), 1st Brigade Combat Team, 1st Cavalry Division was first constituted on 29 August 1917 in the Regular Army as Headquarters, 1st Cavalry Brigade. It was organized in February 1918 at Fort Sam Houston, Texas, as an element of the 15th Cavalry Division. The unit was relieved on 12 May 1918 from assignment to the 15th Cavalry Division and demobilized on 14 July 1919 at Brownsville, Texas.
It was reconstituted on 20 August 1921 in the Regular Army as Headquarters, 1st Cavalry Brigade, and assigned to the 1st Cavalry Division (later redesignated as the 1st Cavalry Division, Special) and organized on 1 September 1921 at Camp Harry J. Jones, Arizona. During the Second World War, the unit participated in 4 campaigns with the 1st Cavalry Division: New Guinea, Bismarck Archipelago (with arrowhead indicating participation in the initial assault), Leyte (with arrowhead), and Luzon. It was inactivated on 25 March 1949 in Japan and relieved from assignment to the 1st Cavalry Division, Special.
The unit was converted and redesignated on 20 May 1949 as Headquarters, 1st Constabulary Brigade, and activated in Germany. It was inactivated on 15 August 1951 in Germany and disbanded on 5 December 1951.
The unit was reconstituted on 15 July 1963 in the Regular Army as Headquarters and Headquarters Company, 1st Brigade, 1st Cavalry Division and activated 1 September 1963 in Korea. Following the reflagging of the 1st Cavalry Division in Korea as the 2nd Infantry Division and the 11th Air Assault Division (Test) as the 1st Cavalry Division (Airmobile), the unit deployed to Vietnam. There it participated in 13 campaigns with the rest of the 1st Cavalry Division (Airmobile): 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, and Counteroffensive Phase VII.
The 1st Brigade, 1st Cavalry Division and its subordinate units, uncluding Headquarters, 1st Brigade deployed to Saudi Arabia in 1990 as part of Operation Desert Shield, earning a campaign streamer for Defense of Saudi Arabia. As part of Operation Desert Storm in 1991, the unit gain another campaign streamer for Liberation and Defense of Kuwait.
Headquarters Company, 1st Brigade, 1st Cavalry Division, was reorganized and redesignated on 17 October 2005 as Special Troops Battalion, 1st Brigade Combat Team, 1st Cavalry Division. Headquarters, 1st Brigade, 1st Cavalry Division thereafter had a separate lineage. This Special Troops Battalion was activated as part of the transformation of the 1st Cavalry Division to the US Army's modular force structure and integrated various assests that previously had been held at division level, but habitually attached during operations. The Battalion's 3 organic companies were reflagged from units that had been part of the pre-modular 1st Cavalry Division. Elements of the 20th Engineer Battalion were reflagged as the Headquarters and Headquarters Company, while A Company was formed from the reflagging of elements of the 312th Military Intelligence Battalion. C Company, 13th Signal Battalion was reflagged as B Company. 1st Platoon, 545th Military Police Company was reflagged as the Military Police Platoon assigned to the HHC, while the Chemical, Biological, Radiological and Nuclear Reconnaissance (CBRN) Platoon came from elements previously part of the 68th Chemical Company.
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