180618-N-FV739-200 GULF OF THAILAND (June 18, 2018) Royal Thai Navy Lt. Boriharn Kumnunt tests a NFTI from a damage control room locker aboard the Arleigh Burke-class guided-missile destroyer USS Mustin (DDG 89) 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 3rd Class Christopher A. Veloicaza/Released)