A gold color metal and enamel device 1 1/8 inches (2.86 cm) in height overall consisting of a blue disc enclosed by a gold wreath of laurel, overall two crossed gold sabres points up, and centered thereon a scarlet cravat bearing in gold the device of the Michigan Cavalry Brigade, and below suspended from the sabre hilts, a blue scroll of three folds with the name "CUSTER" in gold letters on the fold between the four gold stars, two on the fold on either side.
General George Custer is represented by the colors scarlet and blue used on his personal flag, and by the scarlet cravat bearing the device of the Michigan Cavalry Brigade, which often formed a part of his uniform. His distinguished service in the Cavalry is recalled by the crossed sabres, and laurel wreath refers to his many victories and achievements in the service of his country. The blue scroll with two stars on either refer to the rank of Major General which Custer attained during the Civil War, becoming the Army's youngest general.
A previous distinctive unit insignia was originally authorized for the noncolor bearing units of the 85th Division (Training) on 16 May 1967. The original insignia was cancelled and a new (the current) design was authorized for the 85th Division (Training) on 27 May 1986. It was redesignated for the 85th Division (Training Support) on 17 October 1999. The insignia was redesignated for the 85th U.S. Army Reserve Support Command on 4 November 2008.