U.S. Army Sgt. 1st Class Cedric Ridgeway, 128th Aviation Brigade 1st-210th Aviation Regiment instructor, crosses monkey bars during the Highlander Challenge at Fort Eustis, Va., July 13, 2015. Crossing the monkey bars was a part of the obstacle course, which was the first station of the five-part challenge. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)