Diplomatic history of Australia the democratic world. In a country gripped by this fear, the government's defence policy was dominated by the idea of "forward defence", in which Australia would seek to prevent the Communist "thrust into South-East Asia". The committal of troops to the Vietnam War was viewed as an attempt by the Menzies Government to strengthen the alliance with the USA following Great Britain's withdrawal "east of Suez". With his arrival in October 1966, Lyndon Baines Johnson became the first US President to visit Australia. The visit came in the light of increasing international criticism over the war in Vietnam. The majority
Ngo Dinh Diem presidential visit to the United States ceremonial, rather than being a policy or planning mission. It was part of a year of travelling for Diệm, as he made a visit to Australia in September, as well as to fellow anti-communist countries South Korea and Thailand. Prior to the visit, the US government and the AFV made thorough preparations to make Diệm's visit pleasant, and the AFV successfully lobbied the media to write favourable reports on the South Vietnamese leader. Diệm was trumpeted as a champion of democracy, and mentions of his autocratic style and election rigging were avoided. Diệm arrived by plane in Washington, D.C. on