Air Force Staff Sgt. Jacob Lacefield, the 28th Security Forces Squadron noncomissioned officer in charge of confinement at Ellsworth Air Force Base, , fires an M-9 pistol at a target, Nov. 9, 2010. Sergeant Lacefield participate in firing drills in preparation for Global Strike Challenge, Nov. 13 through 16, 2010. The challenge pits missile and bomb crews, security forces, and maintainers from five Air Force bases in head-to-head competitions to determine the “best of the best.” Senior Airman Kasey Close

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Photo credit: © Z2A1 / Alamy / Afripics
License: Licensed
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Keywords: .., air, defense, force, military, united, war