Description
On a silhouetted right cylinder 3 inches (7.62 cm) in height and 2 inches (5.08 cm) in width having a white border 1/8 inch (.32 cm) wide, on a blue background a stylized white garb bound yellow and red, emerging from the top of the garb three white spearheads voided blue.

Symbolism
The colors blue and white are for Infantry. The bundle of wheat, or garb, is adapted from the Arms of the State of Pennsylvania. It suggests peaceful pursuits while the projecting spears denote preparedness for defense. The yellow and red ties represent the Armor and Artillery battalions organic to the unit.

Background
The shoulder sleeve insignia was approved on 13 July 1964. It was amended to change the description on 6 August 1964. (TIOH Dwg. No. A-1-328)