K-9 teams keep Kirkuk safe
KIRKUK AIR BASE, Iraq -- Staff Sgt. Willie Harrell and his military working dog, Tasja, search a truck during training here. The K-9 teams perform constant training to ensure they are working as a team. Sergeant Harrell is assigned to the 506th Expeditionary Security Forces Squadron. (U.S. Air Force photo by Tech. Sgt. Christopher Gish)