SAN DIEGO (Sept. 15, 2019) Capt. Gary L. Cave, commanding officer of the guided-missile destroyer USS Zumwalt (DDG 1000) addresses the crew during Zumwalt’s change of command ceremony in the hangar bay. Cave relieved Capt. Andrew F. Carlson as the ship’s commanding officer. (U.S. Navy photo by Mass Communication Specialist 3rd Class Zachary D. Behrend/Released)