190221-N-JX484-183 NORTH SEA (Feb. 21, 2019) Sailors display chock and chains to pilots of an MH-60R Sea Hawk helicopter from the Spartans of Helicopter Maritime Strike Squadron (HSM 70) on the flight deck of the guided-missile destroyer USS Gravely (DDG 107). 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)