The 30th Medical Regiment was constituted in the Regular Army on 1 October 1933, allotted to the Ninth Corps Area, and assigned to the Fourth Army. It was organized by December 1934 with Organized Reserve personnel as a "Regular Army Inactive" (RAI) unit with headquarters at Butte, Montana. It was withdrawn from the Ninth Corps Area 5 June 1936 and allotted to the Seventh Corps Area. Its designated mobilization training station was Fort Francis E. Warren, Wyoming, 1933-36.[2] The unit was redesignated as the 30th Medical Group on September 8, 1943. In 1944, the unit was transferred to Liverpool, England and onward to Omaha Beach.[3]
^Clay, Steven E. (2010). U.S. Army Order of Battle, 1919-1941, Volume 4. The Services: Quartermaster, Medical, Military Police, Signal Corps, Chemical Warfare, and Miscellaneous Organizations, 1919-41. Fort Leavenworth, KS: Combat Studies Institute Press. pp. 2, 219–2, 220. This article incorporates text from this source, which is in the public domain.