U.S. Marine Corps Lt. Col. Brian Dwyer, right, outgoing commanding officer, Wounded Warrior Battalion-West, relinquishes command to Lt. Col. Stephen Mount, left, commanding officer, WWBN-W, during a Change of Command Ceremony at Camp Pendleton, Calif., June 30, 2016. A Change of Command is a military tradition that represents a formal transfer of authority and responsibility for a unit from one Commanding Officer to another. (U.S. Marine Corps photo by Lance Cpl. Brandon Martinez, MCIWEST-MCB CamPen Combat Camera/Released) - U.S. Marine Corps Lt. Col. Brian Dwyer, right, outgoing commanding officer, Wounded Warrior Battalion-West, relinquishes command to Lt. Col. Stephen Mount, left, commanding officer, WWBN-W, during a Change of Command Ceremony at Camp Pendleton, Calif., June 30, 2016. A Change of Command is a military tradition that represents a formal transfer of authority and responsibility for a unit from one Commanding Officer to another. (U.S. Marine Corps photo by Lance Cpl. Brandon Martinez, MCIWEST-MCB CamPen Combat Camera/Released)