180406-N-GP724-2246 SOUTH CHINA SEA (April 6, 2018) The Republic of Singapore navy Formidable-class frigate RSS Supreme (FFG 73), right, the Victory-class corvette RSS Valiant (PGG 91), and the Arleigh Burke-class guided missile destroyer USS Sampson (DDG 102) are underway in formation in the South China Sea. (U.S. Navy photo by Mass Communication Specialist 3rd Class Alex Perlman/Released)