Description
A silhouetted right cylinder 3 inches (7.62 cm) in height and 2 inches (5.08 cm) in width. On a blue field within a 1/16 inch (.16 cm) white inner border and a 1/8 inch (.32 cm) blue outer edge, a white hand grenade 2 3/4 inches (6.99 cm) in height surmounted by a red vertical bayonet 2 9/16 inches (6.51 cm) in height.

Symbolism
Blue and white are the colors used for Infantry. The grenade and bayonet, basic combat weapons, allude to the mission of the Brigade to destroy the enemy by offensive action and to repel his assault. Red, the most dominant color of the spectrum, is symbolic of the unit’s striking capabilities.

Background
The shoulder sleeve insignia was approved on 24 October 1963. (TIOH Dwg. No. A-1-317)