3rd Brigade, 75th Division (Training Support)
The 3d Brigade, 75th Division (TS) is located at Fort Riley, KS. The 3rd Brigade is a Training Support Brigade (TSB), formed under the tri-component concept for AC/RC support. The Brigade is comprised of five Training Support Battalions (TSBn) and one Logistics Support Battalion (LSB). Two of the battalions provide support and assistance to aviation units throughout the 5th Army area and the remaining three provide support and assistance to combat support (CS) and combat service support (CSS) units in Kansas, Iowa, Missouri and Nebraska.
The 3d Brigade mission is to provide training support to Combat Support/Combat Service Support Reserve Component units in Kansas, Nebraska, Iowa, and Missouri and Army Aviation Reserve Component units in the 5th Army Area of Responsibility to attain and sustain individual and collective premobilization readiness. On order, provide Military Support to Civil Authorities (MSCA) in FEMA Region VII. Assess/assist mobilization readiness on selected units as directed. On order, execute the Mobilization Assistance Team (MAT) mission.
The 3d Brigade, 75th Division (Training Support) was constituted 24 December 1942 in the Army of the United States as the 275th Engineer Combat Battalion. Activated 15 April 1943 at Fort Leonard Wood, Missouri. Inactivated 14 November 1945 at Camp Patrick Henry, Virginia. Allotted 21 February 1952 to the Organized Reserve Corps. Activated 1 March 1952 with Headquarters at Shreveport, Louisiana. Organized Reserve Corps redesignated 9 July 1952 as the Army Reserve. Reorganized and redesignated 6 April 1953 as the 275th Engineer Battalion. Inactivated 24 June 1954 at Shreveport, Louisiana
Headquarters, 275th Engineer Battalion, consolidated 17 October 1999 with Headquarters, 3d Brigade, 75th Division (Exercise) (activated 1 October 1993 at Fort Worth, Texas); consolidated unit reorganized and redesignated as Headquarters, 3d Brigade, 75th Division (Training Support) and allotted to the Regular Army at Fort Riley, Kansas (remainder of 275th Engineer Battalion concurrently disbanded)
