170310-N-GP548-1558 PHILIPPINE SEA (March 10, 2017) The Arleigh Burke-class guided-missile destroyer USS Mustin (DDG 89) leads U.S. Navy and Japan Maritime Self-Defense Force ships in formation during MultiSail 17. The bilateral training exercise is designed to improve interoperability between the U.S. and Japanese forces. (U.S. Navy photo by Mass Communication Specialist 1st Class Elijah G. Leinaar/Released)