Description
On an olive drab disc with a 1/8 inch (.32 cm) olive drab border, overall diameter 2 1/4 inches (5.72cm), the letters "C D" in scarlet.

Symbolism
The letters "C D" symbolize "Custer Division," a nickname derived from the formation of the division at Camp Custer, Michigan, and are an incentive to emulate the qualities of courage and self-sacrifice exemplified by the life of General George A. Custer.

Background
The shoulder sleeve insignia was originally approved for the 85th Division on 24 December 1918. It was cancelled and a new design approved for the 85th Division (Training) on 29 June 1970. On 24 February 1986, the original shoulder sleeve insignia was reinstated for the 85th Division (Training). The insignia was redesignated for the 85th Division (Training Support) effective 17 October 1999. It was redesignated for the 85th U.S. Army Reserve Support Command on 4 November 2008. (TIOH Drawing Number A-1-540)