190311-N-JX484-433 NORTH SEA (March 11, 2019) Sailors aboard the guided-missile destroyer USS Gravely (DDG 107) handle line during a replenishment-at-sea with the German navy replenishment tanker FGS Spessart (A 1442). 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)