'Australia's involvement in the Vietnam War began as a small commitment of 30 men in 1962, and increased over the following decade to a peak of 7,672 Australians deployed in South Vietnam or in support of Australian forces there. The Vietnam War was the longest and most controversial war Australia has ever fought. Approximately 60,000 Australians served in the war; 521 were killed and more than 3,000 were wounded.' Wiki