SOUTH CHINA SEA (Aug. 23, 2011) The Republic of Singapore Navy frigate RSS Supreme (FFG 73), front, leads the guided-missile destroyer USS Chung-Hoon (DDG 93), the Republic of Singapore Navy corvette RSS Vigour (FFG 92), and RSS Stalwart (FFG 72) in a formation. The ships are participating in Cooperation Afloat Readiness and Training (CARAT) Singapore 2011. CARAT is a series of bilateral exercises held annually in Southeast Asia to strengthen relationships and enhance force readiness. (U.S. Navy photo by Mass Communication Specialist 3rd Class Andrew Ryan Smith)