PHILIPPINE SEA (April 4, 2021) Cmdr. Robert J. Briggs and Cmdr. Richard D. Slye monitor surface contacts from the pilothouse of the Arleigh Burke-class guided-missile destroyer USS Mustin. Mustin is assigned to Task Force 71/Destroyer Squadron (DESRON) 15, the Navy’s largest DESRON and the U.S. 7th Fleet’s principal surface force. (U.S. Navy photo by Mass Communication Specialist 3rd Class Arthur Rosen)