On 23 March 1969, "Vampire" returned to the Far East. On 14 May 1969, the destroyer met "Sydney" off Singapore, and escorted the troopship to Vũng Tàu on the former aircraft carrier's fourteenth Vietnam voyage. The destroyer returned to Australian waters in October. On 16 April 1970, "Vampire" joined a fleet of 45 naval ships from 13 nations to perform a ceremonial entry into Sydney Harbour as part of the first Australian Bicentenary, celebrating the discovery and claiming of the east coast of Australia by James Cook.