190118-N-JX484-184 DANISH STRAITS (Jan. 18, 2019) The guided-missile destroyer USS Gravely (DDG 107) fires its 5-inch gun during a live fire exercise. Gravely is underway on a regularly-scheduled deployment to conduct 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)