190309-N-JX484-038 BALTIC SEA (March 9, 2019) Hull Maintenance Technician 3rd Class Thomas Burdick welds an extension for a .50-caliber machine gun mount aboard the guided-missile destroyer USS Gravely (DDG 107). Gravely is deployed 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)