U.S. Air Force Airman 1st Class Samuel Massey, 48th Logistics Readiness Squadron fuels specialist, right, and Air Force Senior Airman Geoffrey Dewitz, 48th LRS fuels specialist, left, refuel Air Force One on the flightline at RAF Fairford, United Kingdom, Sept. 3, 2014. After President Barack Obama departed the aircraft, Airmen, U.K. Ministry of Defence and U.S. Department of Defense civilians set to work preparing the plane for its next departure. (U.S. Air Force photo by Staff Sgt. Jarad A. Denton/Released)