170629-N-PD309-124 SULU SEA (June 29, 2017) Sailors assigned to the littoral combat ship USS Coronado (LCS 4) conduct a search-and-rescue exercise in the Sulu Sea. The U.S. and Philippine navies are conducting a coordinated counter-piracy patrol to protect maritime commerce and enhance maritime security in the region by enhancing both navies' ability to respond to transnational criminal and terror activity. (U.S. Navy photo by Mass Communication Specialist 3rd Class Deven Leigh Ellis/Released)