Capt. Chris Markley, a pilot assigned to the 18th Air Refueling Squadron, 931st Air Refueling Group, completes a set of high repetition dumbbell curls during a group workout at the base fitness center, Feb. 4, 2015. Several members of the 18 ARS meet at the fitness center daily to participate in organized group workouts to improve overall unit fitness and to stay "fit to fight." (U.S. Air Force photo by Capt. Zach Anderson)
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