U.S. Air Force Senior Airman Nicholas Byars and Airman 1st Class Robert McClung, 27th Special Operations Support Squadron aircrew flight equipment specialists, inspect and adjust components on helmets and oxygen masks at Cannon Air Force Base, N.M., July 3, 2012. Aircrew flight equipment specialists inspect, maintain and adjust life support and survival gear for flight crew members assigned to Cannon. (U.S. Air Force photo by Airman 1st Class Eboni Reece)