Fleet Replenishment In the Sea of Japan, the U.S. 7th Fleet flagship USS Blue Ridge receives a load of pallets from the fleet replenishment oiler USNS Walter S. Diehl, Feb. 13, 2019. The Blue Ridge is the oldest operational ship in the Navy and, as 7th Fleet command ship, it actively works to foster relationships with allies and partners in the Indo-Asia Pacific region. Navy photo by Petty Officer 2nd Class Patrick Semales SHARE: Download: Full Size (0.05 MB) Tags: USS Blue Ridge Credit: Petty Officer 2nd Class Patrick Semales VIRIN: 190213-N-YG414-091.JPG Photo Gallery