MAST MAINTENANCE U.S. Navy Petty Officers 3rd Class Sean Kilcoyne and Laura Colliton conduct maintenance on the main mast of the aircraft carrier USS Carl Vinson while preparing for the ships Board of Inspection and Survey assessment in San Diego, Oct. 13, 2010. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 221049-N-AFZ14-986.jpg Photo Gallery