Have to keep it running
Senior Airman Isaiah Smith, 4th Component Maintenance Squadron aerospace propulsion technician, checks levels JP-8 engine fuel while servicing a fuel tank on Seymour Johnson Air Force Base, N.C., Dec. 18, 2009. Airman Smith monitors fuel levels to ensure there is an adequate amount of JP-8 during jet engine runs. Airman Smith hails from Rosalia, Kan. (U.S. Air Force photo/Senior Airman Ciara Wymbs)