Airman 1st Class Matt Hinson, 28th Comptroller Squadron financial customer service technician, hikes down the No.4 Harney Peak trail in the Black Hills National Park, S.D., Sept. 12, 2015. Hinson uses hiking as a way to relax and recuperate from work and enjoy the outdoors before the winter arrives. (U.S. Air Force photo by Airman 1st Class James L. Miller/Released)