Col. Richard C. Knowlton, commander, 115th Fires Brigade, Wyo. National Guard pulls off his own patch and awards Lt. Col. Scott A. St. Sauvier, commander, 1-151 Field Artillery, Minn. National Guard, the Brigade Combat Patch during a ceremony at Camp Beurhing, Kuwait, Aug. 9. Unit patches worn on the left shoulder show the unit of assignment, and the right shoulders patch shows what unit the Soldier serves with while operating in a combat zone.