 Complete the following phrase:  The Mobile Brigade, which began forming in late 1946 and was used during the anti-Dutch Revolution, started sending students for US Army SF training on Okinawa in January 1959. In April 1960 a second contingent arrived for two months of Ranger training. By the mid-1960s the three-battalion Mobile Brigade, commonly known as Brimob, had been converted into an elite shock force. A Brimob airborne training centre was established in Bandung. Following the 1965 coup attempt, one Brimob battalion was used during anti-Communist operations in West Kalimantan. In December 1975 a Brimob battalion was used during the 