Operation Crimp Westmoreland requested further reinforcement and US and allied forces increased to 44 battalions which would be used to directly bolster the ARVN. Australia's growing involvement in Vietnam reflected the American build up. In 1963, the Australian government had committed a small advisory team, known as the Australian Army Training Team Vietnam (AATTV), to help train the South Vietnamese forces. However, in June 1965 the decision to commit ground troops was made, and the 1st Battalion, Royal Australian Regiment—originally commanded by Lieutenant Colonel Ivan 'Lou' Brumfield—was dispatched. Supporting 1 RAR was 1 Troop, A Squadron, 4th/19th Prince of Wales's Light Horse
What Happened to Us wondrous interior décor". He also commended Mauboy for choosing Australian talent to direct the video instead of American directors, which she had used for her previous two music videos. Since its release, the video has received over two million views on Vevo. Mauboy performed "What Happened to Us" live for the first time during her YouTube Live Sessions program on 4 December 2010. She also appeared on "Adam Hills in Gordon Street Tonight" on 23 February 2011 for an interview and later performed the song. On 15 March 2011, Mauboy performed "What Happened to Us" on "Sunrise". She also performed