 Poncke Princen, a former Dutch colonial soldier who went over to the Indonesian rebels, took part in that "Long March" and was appointed a staff officer in the Division.On 23 January 1950, a rebel group called Angkatan Perang Ratu Adil (APRA) led by Captain Raymond Westerling attempted to seize Bandung during the APRA Coup d'état.Lt.