U.S. Air Force Airman 1st Class Jacob Mendoza, 20th Operations Group aircrew flight equipment technician prepares 1st. Lt. Taylor Tally, 55th Fighter Squadron pilot in his anti-gravity flight suit at Shaw Air Force Base S.C., Feb. 27, 2013. Aircrew flight equipment technicians are responsible for ensuring the safety of pilots through the maintenance of helmets, oxygen masks and other flight gear. (U.S. Air Force photo by Airman 1st Class Nicole Sikorski/Released)