The 89th Infantry Regiment was activated piecemeal beginning in 1941, both stateside and overseas. Only Company A and the 3rd Battalion were ever active. Company A and Headquarters and Headquarters Company (HHC) 3rd Battalion were activated on 2 January 1941 at Fort Snelling, Minnesota. Companies I and L were activated on 1 June 1941 and 20 June 1941, respectively, in Bermuda. Company M was activated on 1 September 1941 at Fort Jackson, South Carolina. The elements of the regiment guarded various U.S. installations in Bermuda and the Caribbean before being inactivated beginning in 1943. The HHC, 3rd Battalion and Companies I, K, and M were inactivated on 21 October 1943 at Fort Benning, Georgia. On 15 November 1943, the regimental fund was transferred to the 131st Infantry Regiment at Fort Benning. Company A was inactivated on 19 November 1943 in the Antilles. Company L was inactivated on 30 July 1944 at Camp Pickett, Virginia. The regiment as awarded the American Theater campaign streamer without inscription for its service.[1][2]
^Stanton, Shelby L. (1984). Order of Battle, U.S. Army, World War II. Novato, California: Presidio Press. p. 214.
^Walthall, Melvin C. (1975). We Can't All Be Heroes: A History of the Separate Infantry Regiments in World War II. Hicksville, New York: Exposition Press. p. 25.
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