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3rd Brigade (Combat Support), 84th Division (Institutional Training)
"Timberwolf Brigade"

In 2004, the 84th Division (Institutional Training) underwent a major transformation. As a result, all 8 of the Division's brigades were inactivated and reflagged as elements of the 100th Division.

3rd Brigade (Combat Support), 84th Division (Institution Training) was headquartered in Fort Snelling, Minnesota. Its mission was to provide instruction in combat support subjects like engineering, military intelligence, military police, signal, chemical, civil affairs, and psychological operations.

The 3rd Brigade was a TASS (The Army School System) Brigade with six subordinate TASS battalions assigned to it. These Battalions taught Military Occupation Speciality (MOS) courses for Engineering (1st Battalion), Military Intelligence (2nd Battalion), Military Police (3rd Battalion), Signal Corps (4th Battalion), Chemical Corps (5th Battalion), and Civil Affairs and Psychological Operations (6th Battalion). Classees were offered at various sites in a six state area consisting of Michigan, Ohio, Indiana, Illinois, Wisconsin, and Minnesota.

The 3rd Brigade, 84th Division was first constituted on 5 August 1917 in the National Army as the 309th Engineers and assigned to the 84th Division. it was organized on 27 August 1917 at Camp Zachary Taylor, Kentucky. The 84th Division traveled to Europe as part of the American contribution to World War I, but was used to provide replacements to the front rather than act as maneuver unit. The unit recieved a campaign streamer without inscription for its participation in the conflict. The unit waas demobilized in July 1919 at Camp Sherman, Ohio.

The unit was reconstituted on 13 August 1936 in the Organized Reserves. It was concurrently consolidated with the 309th Engineers. The 309th Engineers had been first organized in November 1921 in the Organized Reserves with Headquarters at Indianapolis, Indiana. The location of the 309th Engineers headquarters had changed on 22 October 1931 to Terre Haute, Indiana and on 22 March 1934 to Indianapolis, Indiana. The consolidated unit was designated as the 309th Engineers, an element of the 84th Division (later redesignated as the 84th Infantry Division).

The unit was redesignated (less 2nd Battalion) on 23 February 1942 as the 309th Engineer Battalion (2nd Battalion, 309th Engineers thereafter had a separate lineage). The unit was ordered into active military service 15 October 1942 and reorganized at Camp Howze, Texas. It was reorganized and redesignated on 12 August 1943 as the 309th Engineer Combat Battalion. During the Second World War, the unit participated in 3 campaigns as part of the 84th Infantry Division: Rhineland, Ardennes-Alsace, and Central Europe. After the Second World War, the unit was inactivated on 24 January 1946 at Camp Kilmer, New Jersey.

The unit was redesignated on 19 December 1946 as the 309th Airborne Engineer Battalion with the redesignation of the 84th Infantry Division as the 84th Airborne Division. The unit was activated on 26 February 1947 with Headquarters at Milwaukee, Wisconsin. The Organized Reserves was redesignated on 25 March 1948 as the Organized Reserve Corps and again on 9 July 1952 at the Army Reserve. The 309th Airborne Engineer Battalion remained assigned to these new entities. The unit was reorganized and redesignated on 1 March 1952 as the 309th Engineer Combat Battalion with the redesignation of the 84th Airborne Division as the 84th Infantry Division. It was reorganized and redesignated again on 1 January 1953 as the 309th Engineer Battalion. The unit was disbanded (less Companies A and B) on 18 May 1959 at Milwaukee, Wisconsin. Companies A and B, 309th Engineer Battalion thereafter had separate lineages.

Headquarters, 309th Engineer Battalion was reconstituted on 24 November 1967 in the Army Reserve as Headquarters, 3rd Brigade, 84th Division (Training) and activated on 31 January 1968 at Milwaukee, Wisconsin.

The Brigade's location changed on 15 September 1993 to Fort McCoy, Wisconsin and again on 30 September 1993 to St. Louis, Missouri. The Brigade was inactivated on 15 September 1995 at St. Louis, Missouri before being reactivated on 16 November 1996 at Fort Snelling, Minnesota.




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