Description
On a blue disc 2 13/16 inches (7.14 cm) in diameter the scarlet Roman numeral IX encircled by a scarlet annulet.

Symbolism
The roman numerals IX (9) reflect the numerical designation of the unit.

Background
The shoulder sleeve insignia was originally approved for the IX Corps on 17 June 1922. It was amended to change the size on 9 April 1941. On 24 October 1997, it was redesignated for the 9th Regional Support Command. The insignia was redesignated effective 16 April 2008, for the 9th Mission Support Command. (TIOH Dwg. No. A-1-65).