U.S. Air Force Capts. Andrew Lawerence and Harrison Gippol, 909th Air Refueling Squadron pilots, perform pre-flight checks in preparation for a training sortie on Kadena Air Base, Japan, Dec. 27, 2012. Airmen of the 909th ARS flew more than 1,000 missions in 2012. (U.S. Air Force photo/Airman 1st Class Tyler Prince)