They relieve 2 RAR who depart on HMAS Sydney . Squadron Canberra Jet Bombers fly their last mission in Vietnam. June 1 - 2 RAR arrive at Townsville, Australia. 110,000 demonstrate across Australian cities. July 29 - C Coy 4 RAR locates a strongly defended bunker system near Suoi Ca.
Heavy fighting takes place.
18 - Australian Government announces that the 1st Australian Task Force will be withdrawn by late December , with logistics units shortly after. New Zealand also announce their withdrawal. HMAS Brisbane is not to be replaced. Some training and advisory elements would remain. September 9 - South Korea announce the withdrawal of their 48,000 troops by June 1972.