180309-N-ZL062-0070 PHILIPPINE SEA (March 9, 2018) The guided-missile cruiser USS Antietam (CG 54) fires its forward 5-inch 54-caliber gun during a gunnery exercise (GUNNEX) for MultiSail. MultiSail 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. (U.S. Navy photo by Mass Communication Specialist 3rd Class Sarah 180309-N-ZL062-0070 PHILIPPINE SEA (March 9, 2018) The Ticonderoga-class guided-missile cruiser USS Antietam (CG 54) fires its forward 5-inch 54-caliber gun during a gunnery exercise (GUNNEX) for MultiSail 2018. MultiSail 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. (U.S. Navy photo by Mass Communication Specialist 3rd Class Sarah Myers/Released)Myers/Released)