The VI Corps took part in some of the most high-profile operations in World War II. Pfaus served in VI corps during the 1920s. The corps was activated on 1 August 1940 at Fort Sheridan, Illinois. It was withdrawn from the Organized Reserves on 1 October 1933 and allotted to the Regular Army. The VI Corps was reconstituted in the Organized Reserves on 29 July 1921, and was organized in March 1922 at Chicago, Illinois, in the Sixth Corps Area, responsible for the 6th, 32nd, and 33rd Divisions. (Army Almanac, Stackpole, Mechanicsburg, Pennsylvania, 1958, p. 645) The corps was demobilized on 11 April 1919, at Villerupt, France.
MG Adelbert Cronkhite commanded from January to April, 1919. Menoher, from 10 November 1918 (commanding corps at termination of hostilities). Ballou, from 23 October 1918 through 10 November 1918 MG Charles T. VI Corps commanders during World War I were MG Omar Bundy, from 26 August through 12 September 1918 MG Charles C. It served in the Lorraine Campaign (campaign streamer awarded). The VI Corps was activated as VI Army Corps on 1 August 1918 at Neufchâteau, France.