 In 1961 precisely at the time of the Chief of Police General Soekarno Djoyonegoro, Brimob Rangers troops were officially renamed Pelopor Troops of the Mobile Brigade.This is in accordance with the wishes of President Soekarno who wanted Indonesian names for units within both the TNI (Indonesian National Armed Forces) and POLRI (Indonesian National Police).At this time also the Pelopors received many brand new weapons for police operations, including the more famous AR-15 assault rifles.