Description
On a yellow octagon with a 1/8 inch (.32 cm) blue border 2 1/2 inches (6.35 cm) in height overall, a scarlet saltire throughout surmounted by a blue star of thirteen points fimbriated in yellow.

Symbolism
The octagon reinforced by the saltire refers to the unit’s mission of supporting the combat, combat support and combat service support organizations of the Corps. The star symbolizes the many far reaching missions of the command, and having thirteen points, the star also alludes to its numerical designation. The octagon is a symbol of regeneration; it alludes to the combat service support functions of the unit as consistently renewing the strength and vigor of the Corps.

Background
The shoulder sleeve insignia was originally approved for the 13th Support Brigade on 11 August 1966. It was redesignated for the 13th Corps Support Command and amended to revise the symbolism effective 21 June 1975. The insignia was redesignated for the 13th Support Command on 17 October 1980. It was redesignated for the 13th Corps Support Command on 10 August 1989. The insignia was redesignated for the 13th Sustainment Command on 7 March 2006. (TIOH Drawing Number A-1-433)