It's a dog's life at Bagram
Staff Sgt. Mitchell Stein and Artus, his military working dog, patrol an entry control point at Bagram Airfield, Afghanistan, Feb. 2, 2010. Sergeant Stein and Artus are assigned to the 455th Expeditionary Security Forces Squadron, and are deployed from Spangdahlem Air Base, Germany. (U.S. Air Force photo/Tech. Sgt. Jeromy Cross)