Senior Airman John Johnson, an explosive ordnance disposal technician with the 466th Air Expeditionary Squadron, rests while on a foot patrol in southern Kandahar province, Afghanistan, Nov. 26, 2011. Johnson was one of two Airmen selected to receive a phone call from President Barack Obama based on his contributions to the safety of U.S., coalition and Afghan forces and civilians. (U.S. Air Force photo/Tech. Sgt. Stephen Kaufman)