200219-N-HR150-1193 SOUTH CHINA SEA (Feb. 19, 2020) Sailors simulate putting out a class-Charlie fire in the fireroom of the U.S. 7th Fleet flagship USS Blue Ridge (LCC 19). Blue Ridge is the oldest operational ship in the Navy and, as U.S. 7th Fleet command ship, actively works to foster relationships with allies and partners in the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist Seaman Matt Hall/Released)