Description
On a crimson lozenge with rounded corners 3 inches (7.62cm) in height and 2 inches (5.08cm) in width overall a yellow torch of knowledge surmounted by a yellow missile and a yellow cartridge saltirewise, the missile crossing over the cartridge and the torch separated from the missile and cartridge by crimson fimbriations all within a 1/8 inch (.32cm) crimson border.

Symbolism
Crimson and yellow are the colors used for Ordnance. The torch signifies knowledge and alludes to training in missiles and munitions.

Background
The shoulder sleeve insignia was approved on 7 Nov 1969. The insignia was amended on 2 May 2002, to extend wear to the U.S. Army Ordnance Center and School. (TIOH Dwg. No. A-1-528)