AdvertisementCommander Of Navy's 7th Fleet Dismissed After Series Of Ship MishapsAugust 23, 2017Doreen McCallisterfacebookEmailCommander of the U.S. Pacific Fleet Scott Swift answers questions on Tuesday during a news conference with the USS John S. McCain and USS America docked in the background at Singapore's Changi naval base. Ten sailors were reported missing on Monday when the McCain collided with an oil tanker in Southeast Asian waters. (AP)