Airmen Take on 50 summits challenge
U.S. Air Force Senior Airman Michael and Senior Airman John, USAF 50 Summits Challenge participants, look over a map at Fort Tuthill County Park Ariz., May 28, 2016. The group of participants consisting of U.S. Airmen, veterans and civilians camped out the night before summiting Humphreys Peak, the highest point in Arizona. (U.S. Air Force photo by Airman 1st Class Ashley N. Steffen/Released)