170629-N-GX781-067 ATLANTIC OCEAN (June 29, 2017) Fire Controlman 2nd Class Derek Arceneaux, from Humble, Texas, operates the radar systems controller aboard the Arleigh Burke-class guided-missile destroyer USS James E. Williams (DDG 95) during exercise Dynamic Mongoose 17 (DYMON17) June 29, 2017. DYMON17 is an annual NATO-led anti-submarine warfare exercise designed to provide training opportunities at the unit to task group level and sharpen the anti-submarine/anti-surface warfare skills of participating units. (U.S. Navy photo by Mass Communication Specialist 3rd Class Colbey Livingston/Released)