Air Force Airman 1st Class Alexander Choi, 51st Security Forces Squadron turret gunner, prepares an M240 machine gun during a field training exercise at Osan Air Base, Republic of Korea, March 23, 2017. The field training exercise was one of the final parts of the 51st SFS Combat Readiness Course, where Defenders spend 10 days expanding their knowledge on defending the base, executing contingency operations and sustaining the force. ( Air Force photo by Staff Sgt. Victor J. Caputo)

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Size: 5531px × 3687px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: cops, defenders, dog, forces, korea, military, mwd, osan, security, sfs, trianing, working