On a yellow octagon 2 5/8 inches (6.67 cm) longest dimension, 2 1/4 inches (5.72 cm) shortest dimension, with a 1/8 inch (.32 cm) border of blue, a lamp of knowledge superimposed by a sword all blue, that portion on the lamp in yellow.
The lamp of knowledge in the center suggests academic learning and the sword represents the military profession.
The shoulder sleeve insignia was approved on 11 September 1943.