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 hosted for a dinner reception at Yarralumla, the residence of the Governor-General. The centrepiece of Diem's visit was a speech to a joint sitting of the Parliament of Australia on Tuesday, September 3, with both the House of Representatives and the Senate in attendance. President Diem said that "moral and spiritual rearmament" and the "moral unity" of the people were the key factors in fighting the spread of communism. After the speech, Menzies called for three cheers for Diem at an official parliamentary luncheon. Doc Evatt, the leader of the opposition Australian Labor Party joined in, proclaiming that peace, stability