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
1968 in the Vietnam War Khe Sanh began with an assault by the PAVN on a hill held by U.S. Marines. Khe Sanh is in northwestern Quảng Trị Province, near the Demilitarized Zone. The combatants were elements of the U.S. III Marine Amphibious Force (III MAF) and Army of the Republic of Vietnam (ARVN) against two to three PAVN division-size elements. NVA General Võ Nguyên Giáp later explained that his objective was to create a diversion to draw U.S. forces away from the populated areas of South Vietnam. Khe Sanh diverted 30,000 US troops away from the cities that would be the main targets of