Col. Richard Knowlton, commander, 115th Fires Brigade awards Warrant Officer Derik J. Wambach, from Headquarters Company 960th Brigade Support Battalion, Wyo. National Guard the Brigade Combat Patch during a ceremony at the Life Support Area, 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.