U.S. Air Force Senior Airman Jonathan Hayden, 18th Civil Engineer Squadron firefighter, hangs upside down as part of rappelling training Sept. 14, 2018, at Kadena Air Base, Japan. Safety when training is of utmost importance. Each participant was checked, re-checked and cleared by an instructor before rappelling down the building. (U.S. Air Force photo by Senior Airman Quay Drawdy)