Lee Roy Garcia, 47th Maintenance Directorate aircraft servicer, signs a log at the flight line on Laughlin Air Force Base, Texas, June 10, 2014. The T-1A Jayhawk differs from its commercial counterpart with structural enhancements that provide for increased bird strike resistance and an additional fuselage fuel tank. (U.S. Air Force photo/Staff Sgt. Steven R. Doty)(Released)