8/30/2012 - F-15s from the 4th Fighter Wing at Seymour Johnson Air Force Base, N.C. fly together during a Combat Hammer mission at Hill Air Force Base, Utah. The Combat Hammer missions were part of an annual month-long weapons system evaluation program held at the base by the 53rd Weapons Evaluation Group. The group is responsible for air-to-ground and air-to-air weapons evaluation for the Air Force. The air-to-ground unit, known as Combat Hammer, is managed by the 86th Fighter Weapons Squadron, located at Eglin. The air-to-air unit, known as Combat Archer, is managed by the 83rd Fighter Weapons Squadron, located at Tyndall AFB, Fla. (Courtesy photo)

8/30/2012 - An F-15 from the 85th Test and Evaluation Squadron drops a guided bomb unit during a Combat Hammer mission at Hill Air Force Base, Utah. The 85th TES is part of the 53rd Wing located at Eglin Air Force Base, Fla. The Combat Hammer missions were part of an annual month-long weapons system evaluation program held at the base by the 53rd Weapons Evaluation Group. The group is responsible for air-to-ground and air-to-air weapons evaluation for the Air Force. The air-to-ground unit, known as Combat Hammer, is managed by the 86th Fighter Weapons Squadron, located at Eglin. The air-to-air unit, known as Combat Archer, is managed by the 83rd Fighter Weapons Squadron, located at Tyndall AFB, Fla. (Courtesy photo)

8/30/2012 - An F-22 Raptor from Elmendorf Air Force Base, Alaska, flies through a mountainous area at Hill Air Force Base, Utah during a Combat Hammer mission. The Combat Hammer missions were part of an annual month-long weapons system evaluation program held at the base by the 53rd Weapons Evaluation Group. The group is responsible for air-to-ground and air-to-air weapons evaluation for the Air Force. The air-to-ground unit, known as Combat Hammer, is managed by the 86th Fighter Weapons Squadron, located at Eglin. The air-to-air unit, known as Combat Archer, is managed by the 83rd Fighter Weapons Squadron, located at Tyndall AFB, Fla. (Courtesy photo)

8/30/2012 - An F-22 Raptor from Elmendorf Air Force Base, Alaska, flies prepares for take-off for a Combat Hammer mission at Hill Air Force Base, Utah. The Combat Hammer missions were part of an annual month-long weapons system evaluation program held at the base by the 53rd Weapons Evaluation Group. The group is responsible for air-to-ground and air-to-air weapons evaluation for the Air Force. The air-to-ground unit, known as Combat Hammer, is managed by the 86th Fighter Weapons Squadron, located at Eglin. The air-to-air unit, known as Combat Archer, is managed by the 83rd Fighter Weapons Squadron, located at Tyndall AFB, Fla. (Courtesy photo)