On a shield 2 inches (5.08 cm) overall in width and 2 3/8 inches (6.03 cm) overall in height per chevron reversed and abased yellow and per pale blue and red, a black mace and a black battle-ax saltirewise all within a 1/8 inch (.32 cm) yellow border.
The colors yellow, blue and red are used for principal combat arms elements of an Armored organization. The crossed mace and battle-ax allude to assault tactics and the shield to defense. The crossed weapons also simulate the letter X as a reference to the military symbol for brigades.
The shoulder sleeve insignia was approved on 13 January 1966. It was amended to revise the symbolism on 21 September 1979. (TIOH Dwg. No. A-1-405)