Australia–United States relations Minister for Defence, US Secretary of Defense and US Secretary of State. The first Australian visit by a serving United States President was that of Lyndon B. Johnson in 1966 to seek support for Australia's ongoing involvement in the Vietnam War. Australia had previously sent advisers and combat troops to Vietnam. In 1992, George H. W. Bush was the first of four US presidents to address a joint meeting of the Australian Parliament. Australia's Prime Minister, Kevin Rudd, ratified the Kyoto Protocol on 3 December 2007, leaving the United States and Canada as the last major industrial nations not to
Ngo Dinh Diem presidential visit to Australia Defense. Ahead of his arrival, the South Vietnamese leader had specifically asked to visit Australian manufacturing sites in Sydney and Melbourne, particularly those in the food processing, textile, shipbuilding and housing industries. Upon disembarking from his plane at Canberra Airport on the morning of Monday 2 September, Diem was photographed for "The Age" and described as a "small but striking figure in a royal blue silk frock coat, long white trousers and black mandarin hat". He was greeted by the Governor-General of Australia Sir William Slim and the Prime Minister of Australia Robert Menzies, and was also introduced to the