On a rectangle arched convexly at top and bottom with lower corners arched concavely, divided per saltire white and blue, and edged with a 1/8 inch (.32 cm) white border a yellow musket style rifle and sword in saltire. Attached above the device a blue scroll edged with a 1/8 inch (.32 cm) white border and inscribed "CROSS" in yellow letters. The overall dimensions are 3 1/2 inches (8.89 cm) in height by 2 1/4 inches (5.72 cm) in width.
Blue and white are the school colors. The sword represents leadership, and the rifle denotes loyalty. The crossed pair symbolize the cadets' devotion to school, community, and country.
The shoulder sleeve insignia was approved on 18 August 1994.