190912-N-VD554-0040 YOKOSUKA, Japan (Sept. 12, 2019) Vice Adm. Bill Merz assumes command of U.S. 7th Fleet from Vice Adm. Phillip G. Sawyer during the 7th Fleet change of command ceremony at the Fleet Theater on Yokosuka Naval Base. During the ceremony, Vice Adm. Merz assumed command of the world's largest forward-deployed naval fleet. (U.S. Navy photo by Mass Communication Specialist Seaman Aron Montano/Released)