190625-N-JX484-042 NORTH SEA (June 25, 2019) Fire Controlman 2nd Class Mario Fernandez performs routine close-in weapons system maintenance on the missile deck of the guided-missile destroyer USS Gravely (DDG 107). Gravely is underway on a regularly-scheduled deployment as the flagship of Standing NATO Maritime Group 1 to conduct maritime operations and provide a continuous maritime capability for NATO in the northern Atlantic. (U.S. Navy photo by Mass Communication Specialist 2nd Class Mark Andrew Hays/Released)