Senior Airman Austin Springer, 388th Maintenance Squadron Munitions Flight, checks torque settings while building a GBU-31 bomb at Hill Air Force Base, Aug. 1. The 2,000-pound bomb will be dropped by a Hill AFB F-35A Lightning II aircraft at the Utah Test and Training Range during Combat Hammer, an evaluation which determines the effectiveness, maintainability, suitability, and accuracy of precision-guided munitions and other high technology air-to-ground weapons. (Paul Air Force)

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Keywords: -35, -16, -15, afb, archer, combat, gbu-12, gbu-31, hammer, hill, ii, lightning, utah, uttr, wsep