180618-N-HV059-1233 GULF OF THAILAND (June 18, 2018) The Arleigh Burke class guided missile destroyer USS Mustin (DDG 89) fires its Mark 45 5-inch gun during a live-fire gunnery exercise conducted with Royal Thai Navy vessels during Cooperation Afloat Readiness and Training (CARAT) Thailand 2018. The Multilateral (CARAT) exercise, in its 2nd iteration and involving the U.S., Singapore and Thailand, is designed to enhance mutual capabilities in a broad spectrum of naval warfare that enable partner navies to operate effectively together as a unified maritime force. (U.S. Navy photo by Mass Communication Specialist 2nd Class Sonja Wickard/Released)