HAMMER SORTIE An F-15E Strike Eagle drops a Guided Bomb Unit-28 during a Combat Hammer mission at Hill Air Force Base, Utah, Aug 10, 2010. The pilot crew is assigned to the 391st Fighter Squadron at Mountain Home Air Force Base, Idaho. Combat Hammer is an air-to-ground Weapons System Evaluation Program maintained by the 86th Fighter Weapons Squadron at Tyndall Air Force Base, Fla. SHARE IMAGE: Download Image: Full Size (0.04 MB) Photo By: VIRIN: 693691-T-MMJ52-704.jpg Photo Gallery