CNNUS Navy 7th Fleet commander dismissed, Navy saysCNN(CNN) Vice Adm. Joseph Aucoin has been relieved of his duty as the commander of the US 7th Fleet, based in Yokosuka, Japan, according to the Navy. This follows an incident Monday in which the guided-missile destroyer USS John S. McCain collided with ...Navy to replace commander of 7th Fleet after latest collisionNew York PostUSS John S.