170220-N-WV703-645 SULU SEA (Feb. 20, 2017) Sailors assigned to the littoral combat ship USS Coronado (LCS 4) refuel an MH-60S Sea Hawk helicopter after conducting routine operations in the Sulu Sea. Coronado is a fast and agile warship tailor-made to patrol the region's littorals and work hull-to-hull with partner navies, providing the U.S. the U.S. 7th Fleet with the flexible capabilities it needs now and in the future. (U.S. Navy photo by Mass Communication Specialist 2nd Class Amy M. Ressler/Released)