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
Military history of Australia during the Vietnam War the Many Flags program, hoping to counter the communist propaganda that South Vietnam was merely a US puppet state and to involve as many nations as possible. Thus Australia, as an ally of the United States with obligations under the Southeast Asia Treaty Organization (SEATO) and ANZUS Pacts, and in the hope of shoring up its alliance with the US, became involved in the Vietnam War. Between 1962 and 1972 it would send almost 60,000 personnel to Vietnam, including ground troops, naval forces and air assets, and would contribute large amounts of material to the war effort. While assisting the