190320-N-JX484-040 ENGLISH CHANNEL (March 20, 2019) Sailors from the guided-missile destroyer USS Gravely (DDG 107) approach the Danish patrol frigate HDMS Thetis (F 357) in a rigid-hull inflatable boat during a personnel exchange. Gravely is underway 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)