190929-N-UB406-0014 ATLANTIC OCEAN (Sept. 29, 2019) Sailors aboard the guided-missile destroyer USS Gridley (DDG 101) conduct a live-fire gun qualification course on the ship's flight deck. Gridley is underway on a regularly-scheduled deployment as the flagship of Standing NATO Maritime Group One 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 Cameron Stoner/Released)