Air Force Airman 1st Class Matt Hinson, a financial customer service technician with the 28th Comptroller Squadron, hikes down the No.4 Harney Peak trail in Black Hills National Forest, 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