Don't cross this line
Airman 1st Class Kelliea Guthrie (left) and Senior Airman Greg Ellis provide security April 23 for a C-130 Hercules aircraft during a cargo mission at Feyzabab Airfield in Afghanistan. Both Airmen are part of the fly-away security forces team assigned to the 455th Expeditionary Security Forces. (U.S. Air Force photo by Master Sgt. Andy Dunaway)