GBU-54
Tech Sgt. Darrin Sather performs a supervisory post load on a guided bomb unit-54 loaded on an F-16 Fighting Falcon Sept. 30, 2010, at Bagram Airfield, Afghanistan. The GBU-54 is the Air Force's newest 500-pound precision weapon, equipped with a special targeting system that uses a combination of Global Position System and laser guidance to accurately engage and destroy moving targets. Sergeant Sather is a weapons expeditor assigned to the 455th Expeditionary Aircraft Maintenance Squadron. (U.S. Air Force photo/Staff Sgt. Christopher Boitz)