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
Dispatched labor out of 10 laborers were hired by dispatched work agencies. In addition, according to the statistics of America Staffing Association, 90% of American enterprises used the services provided from labor dispatching industry. This illustrated how ingrained the concept of labor dispatching had become in American society. In Japan, since making the law of labor dispatching in 1985, labor dispatching developed rapidly, leading to the development of 615 general dispatched work agencies, 3,266 specific dispatched work agencies, and 1.4 billion dispatched laborers. As of 1998, there were 3026 general dispatched work agencies, 6985 specific dispatched work agencies, and 9 billion dispatched