Description
On a blue disc with a 1/16 inch (.16 cm) white edging all within a 1/8 inch (.32 cm) red border, 2 inches (5.08 cm) overall in diameter, four white arrows issuing from the white edging, interlaced and forming an open square in the center.

Symbolism
The four arrows allude to the organization’s numerical designation and the readiness for service in “any corner of the globe.” Red, white, and blue are the national colors.

Background
The shoulder sleeve insignia was originally approved for the 4th Logistical Command on 4 August 1964. It was redesignated for the 4th Support Center effective 21 December 1975. It was redesignated for the 4th Materiel Management Center on 16 June 1989. The insignia was amended to correct the authorization for the 4th Materiel Management Center on 14 August 1989. It was redesignated for the 4th Support Center on 15 November 2000. The insignia was redesignated for the 4th Sustainment Command effective 16 October 2008. (TIOH Drawing Number A-1-297)