U.S. Navy Petty Officer 1st Class Patrick Yourg, left, Camp Lemonnier master-at-arms and K-9 kennel supervisor, agitates Rado, an 8-year-old German Shepherd military working dog, while U.S. Navy Petty Officer 3rd Class Arthur Vaughan, Camp Lemonnier master-at-arms and military working dog handler, restrains him during a patrol training exercise at Camp Lemonnier, Djibouti, Aug. 26. The exercise is designed to keep military working dogs proficient in tactics used during patrols. Yourg hails from Fort Lauderdale, Fla., and is deployed from Naval Base San Diego, Calif. Vaughan is a native of Orlando, Fla. Vaughan and his partner Rado are deployed from Naval Weapons Station Yorktown, Va.