U.S. Air Force Senior Airman Eric Purnell, 823d Base Defense Squadron fireteam member, low crawls during an obstacle course, April 13, 2016, at Avon Park Air Force Range, Fla. Spartan Warrior week allowed Airmen assigned to various squadrons across the U.S. to split into teams of four and compete in generalized and career based challenges. (U.S. Air Force photo by Airman 1st Class Janiqua P. Robinson/Released)