Warthogs provide top cover for ground troops
KANDAHAR AIRFIELD, Afghanistan -- Weapons load crew chiefs perform end-of-runway inspections on two A-10 Thunderbolt IIs at Kandahar Airfield, Afghanistan Jan. 20, 2012. The A-10 can employ a wide variety of conventional munitions, including general purpose bombs, cluster bomb units and laser guided bombs. (U.S. Air Force photo by Staff Sgt. David Carbajal)