Very carefully.
Australia had nothing to do with the Vietnam War.
Great Britain specifically did not support Australia in the Vietnam War even though allied under SEATO to resist communist aggression in South East Asia, becoming in many Australian eyes Little England.
Australia never fought Vietnam.
Australia deployed Infantrymen, artillerymen, one squadron of B57 Canberra medium bombers, and one regiment of Centurion medium tanks to South Vietnam.
Australian society mirrored American society after the war, on a smaller scale, due to population differences.
At the end of the Vietnam War, Congress refused to support South Vietnam any longer.
Lyndon Johnson in 1966 was the first US President to visit Australia. He was seeking support for the Vietnam War.
Election poll shows that 64% of Australians support Australian's role in Vietnam
Australia entered the Vietnam War because Australia feared that they would have to face the spread of Communism.
Soldiers from the United States were sent to South Vietnam to support the government and combat the communist insurgency during the Vietnam War.
American support for Taiwan The Vietnam War
President Johnson's visit to Australia during the Vietnam War was met by Australian anti-war protests.