Description
On a gray shield, 2 5/8 inches (6.67 cm) in width and 2 7/8 inches (7.30 cm) in height, with a 1/8 inch (.32 cm) golden yellow edging outside a 1/16 inch (.16 cm) black border, and a 3/4 inch (1.91 cm) black bend (dexter), the helmet of Pallas over a Greek sword, both golden yellow edged in black.

Background
The shoulder sleeve insignia was originally approved on 26 Nov 1941. It was amended on 22 Mar 1957. It was amended on 22 May 1957. (TIOH Drawing Number A-1-201)