Air Force Staff Sgt. Brian Greilich, 39th Communications Squadron cable and antenna systems technician, squats during a Crossfit session at Incirlik Air Base, Turkey, July 9, 2018. Greilich started the high intensity fitness program in December of 2017 after hearing about it from a friend.

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Keywords: 39abw, air, america, archive, armed, army, defence, force, forces, military, navy, reportage, service, serviceman, servicemen, soldier, states, united, usa