EIELSON AIR FORCE BASE, Alaska -- Staff Sgt Angel Gomez, KC-10 Boom Operator, 78th Air Refueling Squadron, McGuire Air Force Base, New Jersey performs his preflight checklist before a refueling mission here on 18 April in support of Red Flag-Alaska 07-1. Red Flag-Alaska is a Pacific Air Forces-directed field training exercise for U.S. forces flown under simulated air combat conditions. (U.S. Air Force photo by Staff Sgt. Joshua Strang)
