Military history of Australia during the Vietnam War combat operations against the communists. Whitlam recognised North Vietnam, which welcomed his electoral success. However, Australian troops remained in Saigon guarding the Australian embassy until 1 July 1973. The withdrawal from Vietnam meant that 1973 was the first time since the beginning of World War II in 1939 that Australia's armed forces were not involved in a conflict somewhere in the world. In total approximately 60,000 Australians—ground troops, air-force and naval personnel—served in Vietnam between 1962 and 1972. 521 died as a result of the war and over 3,000 were wounded. 15,381 conscripted national servicemen served from 1965 to 1972,
What Happened to Us a "mid-tempo duet ballad" which signifies Mauboy's strength as a global player. On 21 March 2011, "What Happened to Us" debuted at number 30 on the ARIA Singles Chart, and peaked at number 14 the following week. The song was certified platinum by the Australian Recording Industry Association (ARIA), for selling 70,000 copies. "What Happened to Us" spent a total of ten weeks in the ARIA top fifty. The music video for the song was shot in the Elizabeth Bay House in Sydney on 26 November 2010. The video was shot during Sean's visit to Australia for the Summerbeatz tour.