190109-N-JX484-073 NORTH SEA (Jan. 7, 2019) The guided-missile destroyer USS Gravely (DDG 107) transits the North Sea. Gravely is deployed conducting maritime operations as the flagship of Standing NATO Maritime Group 1 in the U.S 6th Fleet area of operation. (U.S. Navy photo by Mass Communication Specialist 2nd Class Mark Andrew Hays/Released)