Tech. Sgt. Milan Gonos, 312th Airlift Squadron flight engineer, conducts a pre-flight inspection Oct. 11, 2011, on a C-5 Galaxy at Travis Air Force Base, Calif. The flight is part of an acceptance inspection on a recently modified C-5, conducted by a specially trained and certified crew, to make sure it is airworthy. If it is deemed airworthy, it will be bought back from Lockheed-Martin by the Air Force. (U.S. Air Force photo/Staff Sgt. Timothy Boyer)