U.S. Air Force Senior Airman Cody Martin, with the 121st Security Forces Squadron, establishes security while 121st SFS Airmen set-up a Forward Operating Base during a training exercise Aug. 17, 2015 at Camp Grayling Joint Maneuver Training Center, Mich. The Airmen spent three days in a simulated deployed environment as a part of their annual training. (U.S. Air National Guard photo by Airman Ashley Williams/Released)
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