Flightline Security
Airman 1st Class Chris Spore raises an entry control barrier for a crew to enter the flightline, Oct. 20, 2010, at Kandahar Airfield, Afghanistan. Airman Spore, from Ocala, Fla., is a flightline security patrolman with the 451st Expeditionary Security Forces Squadron. (U.S. Air Force photo by Tech. Sgt. Chad Chisholm/Released)