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91st Training Brigade (Operations)

Definition/Scope: 91st Training Brigade (Operations) is recognized and resourced as the US Army Reserve’s premier organization to assist Operational and Functional Commands in training and assessing unit readiness for enabling forces via Warrior Exercises and Combat Support Training Exercise Rotations conducted at Fort Hunter Liggett, California. The 91st Training Brigade (Operations) conducts Warrior Exercises (WAREX), Combat Support Training Exercise Rotations (CSTX) and other requirements for brigade headquarters, subordinate down trace units and staffs on collective tasks to ensure they are trained and prepared for deployment. Additionally, as directed, the 91st Training Brigade (Operations) will provide training to joint, combined and active forces. The 91st Training Bde (previously known as the 91st Division) history goes back to World War I. Constituted on 05 August, 1917, at Camp Lewis, Wash., the division soon thereafter departed for England in the summer of 1918. In September 1918, the division’s first operation was in the St. Mihiel Offensive in France. Serving under the U.S. Army’s V Corps, the division fought in the Meuse-Argonne Offensive and successfully helped to destroy the German First Guard Division and continued to smash through three successive enemy lines. The division was deactivated at Fort Rucker, Ala., in December 1945. In December 1946, the 91st was reactivated at the Presidio of San Francisco as part of the U.S. Army Reserve. In 1959, the division was reorganized and redesignated as the 91st Division (Training). In 1993, the division was again reorganized and redesignated as the 91st Division (Training Support). Recently, the 91st Division moved its headquarters to Fort Hunter Liggett, California on May 1st 2009. The ongoing transformation of the Army Reserve had the 91st Division redesignated as the 91st Training Brigade (Operations) effective 1 October 2009.



Broader Terms:

84th Training Command (Leader Readiness)
Fort Hunter Liggett
US Army Reserve Command

Related Terms:

91st Division (Training Support)
Parks Reserve Forces Training Area


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