190519-N-JX484-161 BALTIC SEA (May 19, 2019) Boatswain's Mate 3rd Class William Rupert fires an M240B machine gun as Gunner's Mate 3rd Class Machilem Oliver observes during a live-fire exercise aboard 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)