5th Brigade, 87th Division (Training Support)
As part of the transformation of First US Army and the structure of US Army training units beginning in 2006, the subordinate brigades of the 87th Division were subsequently inactivated.
The 5th Brigade, 87th Division (Training Support) mission was to provide training support functions to Active Component and Reserve Component units in its area of responsibility.
The 5th Brigade, 87th Division (Training Support) was first constituted on 5 August 1917 in the National Army as the 312th Supply Train and assigned to the 87th Division. It was organized in September 1917 at Camp Pike, Arkansas. After deploying as part of the 87th Division to Europe to serve in the Great War, the unit was demobilized on 31 July 1919 at Camp Grant, Illinois.
The unit was reconstituted on 21 September 1936 in the Organized Reserves and was concurrently consolidated with the 412th Quartermaster Regiment (first organized in January 1922 in the Organized Reserves as the 87th Division Train, Quartermaster Corps, with Headquarters at New Orleans, Louisiana; redesignated on 23 March 1925 as the 87th Division Quartermaster Train; redesignated on 1 July 1936 as the 412th Quartermaster Regiment). The consolidated unit was designated as the 412th Quartermaster Regiment, an element of the 87th Division (later redesignated as the 87th Infantry Division).
The unit was again reorganized and redesignated on 30 January 1942 as the 412th Quartermaster Battalion and ordered into active military service on 15 December 1942 and reorganized at Camp McCain, Mississippi. The unit was reorganized and redesignated (less Ordnance Maintenance Platoon, Headquarters Company) on 27 September 1942 as the 87th Quartermaster Company, an element of the 87th Infantry Division. The Ordnance Maintenance Platoon, Headquarters Company thereafter had a separate lineage. After serving with the 87th Infantry Division in the European Theater of Operations during World War II, the unit was inactivated on 21 September 1945 at Fort Benning, Georgia.
The unitw as reactivated on 1 March 1947 at Birmingham, Alabama. The location of the Company's headquarters was later changed to Enterprise, Alabama. An element of the Organized Reserves, the Division remained a part of this organization was it was redesignated on 25 March 1948 as the Organized Reserve Corps, which was in turn redesignated on 9 July 1952 as the Army Reserve. The unit was inactivated on 31 March 1955 at Enterprise, Alabama.
The unit was redesignated on 17 October 1999 as Headquarters, 5th Brigade, 87th Division (Training Support), allotted to the Regular Army, and activated at Fort Jackson, South Carolina.
The terrorist attacks on the World Trade Center and Pentagon on 11 September 2001 set off a chain of events that had impacts all over the world. For the soldiers of the 87th Division's 5th Brigade at Fort Jackson, it became business as usual when they were called on to mobilize South Carolina National Guardsmen under First US Army's direction.
5th Brigade's mission became to ensure that the 230 National Guard infantry soldiers from 2 mobilized units in Summerville and Monckscorner, South Carolina were prepared for their new active duty life and their new mission of Homeland Security. The South Carolina citizen soldiers from the 1-118th Infantry received mobilization orders in early October 2001 for at least one year of active duty service in response to increased security requirements on military installations, such as Fort Jackson and Fort Gordon, Georgia.
The unique mission required a different type of mobilization and validation process than the normal mobilization associated with an overseas deployment. In order to guarantee the National Guard unit's success, the 5th Brigade assigned full-time trainers to assist the mobilized units down to the platoon level. Each training support assister would teach, demonstrate, rehearse, observe, and assess the soldiers on everything from conducting proper promotion ceremonies to preparing training schedules. The assisters also made maximum use of After Action Reports to learn new ways of conducting better training.
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