A U.S. Air Force Senior Airman and his military working dog, Pepe, search a compound for contraband items during Operation Southern Strike in Kandahar in Afghanistan's Spin Boldak province, June 6, 2012.
U.S. Army Pfc. Cory Acres uses a handheld identity detection device to scan the iris of an Afghan man in Afghanistan's Khowst province, June 8, 2012. Acres, a gunner, is assigned to Company B, 1st Battalion, 501st Infantry Regiment. The detection device, part of an interagency system, scans an individual's biographical information and matches it against an internal database. The system allows soldiers in the field to quickly identify whether a person of interest is on a watch list.