Staff Sgt. Russell David, 455th Expeditionary Aircraft Maintenance Squadron weapons load crew chief, inspects a GBU-39 Small Diameter Bomb on an F-15E Strike Eagle at Bagram Airfield, Afghanistan, Jan. 26. The Small Diameter Bomb is a 250-pound satellite-guided bomb designed to be more accurate than traditional bombs with less possibility of collateral damage. The sergeant recently deployed to Bagram from Mountain Home Air Force Base, Idaho. (U.S. Air Force photo/Staff Sgt. Thomas J. Doscher)