170809-N-VH385-042 SILVERDALE, Wash. (Aug. 9, 2017) Secretary of Defense Jim Mattis speaks with the crew of the Ohio-class ballistic missile submarine USS Kentucky (SSBN-737) during a visit to Naval Base Kitsap-Bangor, Wash. (U.S. Navy photo by Mass Communication Specialist 2nd Class Wyatt L. Anthony/Released)