190324-N-DA737-0004 KETCHIKAN, Alaska (March 24, 2019) Sailors aboard the guided-missile destroyer USS Zumwalt (DDG 1000) speak to visitors during a tour of the ship in Ketchikan, Alaska, March 24, 2019. Zumwalt is conducting the port visit as part of its routine underway operations in the eastern Pacific. Zumwalt-class destroyers provide the Navy with agile military advantages at sea and with ground forces ashore. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jonathan Jiang/Released)