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The Arleigh Burke-class guided-missile destroyer USS Mustin (DDG 89) leads U.S. Navy and Japan Maritime Self-Defense Force (JMSDF) ships in formation during MultiSail 17. MultiSail 17 is a bilateral training exercise improving interoperability between the U.S. and Japanese forces. This exercise benefits from realistic, shared training enhancing our ability to work together to confront any contingency.