RIDGE LINES U.S. Marines stand by for an inspection by Navy Secretary Ray Mabus during his tour of the amphibious command ship USS Blue Ridge in Busan, Republic of Korea, Aug. 29, 2009. The Blue Ridge hosted the secretary's first official visit to the Republic of Korea since being appointed in May. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 896932-B-UXI81-752.jpg Photo Gallery