On a black and orange vertical rectangle shape arched convexly at the top and bottom and edged with a 1/8 inch (.32 cm) black border divided vertically displaying a white bulldog's head erased at collar wearing a black collar with white spikes, and white teeth all detailed black. Attached above the rectangle, an orange scroll edged with a 1/8 inch (.32 cm) black border inscribed "UMATILLA" in black letters. Attached below the rectangle, an orange scroll edged with a 1/8 (.32 cm) black border inscribed "BULLDOGS" in black letters. The overall dimensions are 3 1/4 inches (8.26 cm) in height and 2 3/8 inches (6.03 cm) in width.
Black and orange are the school colors. Black conveys the constancy, determination, and dignity that the cadets strive to demonstrate in academics, athletics and community activities. Orange signifies the pride and loyalty that the cadets show for their school and country. The bulldog is the school's mascot and reflects the protective, courageous and patriotic strengths of the cadets.
The shoulder sleeve insignia was authorized 13 February 2012. (TIOH Drawing Number A-10J-1001)