In this June 18, 2017, file photo, U.S. Navy Vice Adm. Joseph Aucoin, Commander of the U.S. 7th Fleet, speaks during a press conference, with damaged USS Fitzgerald as background at the U.S. Naval base in Yokosuka, southwest of Tokyo. U.S. officials said that Aucoin is to be relieved of duty after series of ship accidents in the Pacific. (AP Photo/Eugene Hoshiko, File)