SOUTH CHINA SEA (May 11, 2017) The littoral combat ship USS Coronado (LCS 4) is underway during a photo exercise as part of the Cooperation Afloat Readiness and Training (CARAT) exercise with the Republic of Singapore and Royal Thai navies. CARAT is a series of annual maritime exercises aimed at strengthening partnerships and increasing interoperability through bilateral and multilateral engagements ashore and at sea. (U.S. Navy photo by Mass Communication Specialist 3rd Class Deven Leigh Ellis/Released)