One of B.E. Vaughan's shipmates on the O'Brien went over the hill as they prepared to head to the Pacific, sure that he wouldn't make it back. He walked up the gangplank in Hawaii, though, after a change of heart. In one of their first Pacific actions, they came to the rescue of the USS Ward, whose captain had fired the first shot of the war an hour before the attack on Pearl Harbor began. (6:53)