Description
On a crimson lozenge with rounded corners, 2 inches (5.08cm) in width and 3 inches (7.62cm) in height, a flaming bomb above the shaft handle of a torch, all yellow.

Symbolism
Crimson and yellow are the colors used for the Ordnance Corps. The flaming bomb is suggested by and simulates the Ordnance Corps insignia. The torch signifies knowledge and alludes to the training in ordnance.

Background
The shoulder sleeve insignia was originally approved for the Ordnance Training Command on 7 Nov 1956. It was redesignated the U.S. Army Ordnance Center and School on 31 Jan 1968. The shoulder sleeve insignia was canceled at the request of the Office of the Chief of Ordnance, effective 25 April 2002. The U.S. Army Ordnance Center and School now wears the shoulder sleeve insignia of the U.S. Army Missile and Munitions Center and School. (TIOH Drawing Number A-1-244)