181229-N-JX484-072 ATLANTIC OCEAN (Dec. 29, 2018) The guided-missile destroyer USS Gravely (DDG 107) approaches the fleet replenishment oiler USNS Joshua Humphreys (T-AO 188) in preparation for a replenishment-at-sea. Gravely is deployed conducting maritime operations as the flagship of Standing NATO Maritime Group 1. (U.S. Navy photo by Mass Communication Specialist 2nd Class Mark Andrew Hays/Released)