Solo, Wonogiri, Ponorogo, Madiun, and faced the Dutch forces during the Politionele Acties and the Legion of Ratu Adil during the APRA coup d'état. Post-revolution After the Indonesian National Revolution ended, he was promoted to captain in 1950, but still held the same command. In 1953, Nasution was transferred to the Jakarta Military Command as the Commander of the 1st BASIS Battalion. He became the acting commander of the Jakarta Military Command after the previous commander, Akil Prawiradiredja, was put into house arrest. Commander of the RPKAD In 1956, Nasution was appointed as the Commander of the Special Forces Regiment of the Indonesian Army (RPKAD), after his predecessor, Mayor Djailani, was put in prison following the Lubis Affair. Under his command, the regiment took part in putting down the possible mutiny of a garrison in Manado. Later on, Nasution was put as the commander of the Tegas Joint Operation, an operation to crush the PRRI (Revolutionary Government of the Republic of Indonesia)'s forces in Riau. Nasution appointed Commander Lieutenant Colonel Wiriadinata from the Air Force and Mayor Indra Subagyo from the Navy as his deputy. The operation consisted of one RPKAD company, two PGT (Pasukan Gerak Tjepat, Quick Reaction Force), and an infantry battalion from Central Java that were planned to be airdropped into Pekanbaru. Another seaborne task force would later be deployed in the shores of Riau. This seaborne task force consisted of one KKO (Indonesian Marine Corps) company, a company of infantry from East Java, and two RPKAD company. Besides that, several BRIMOB (Mobile Brigade Corps) units also joined the operation under the command of Police Commisary Sutjipto Danukusumo. The operation began at the dawn of 12 March 1958, when the Kangaroo Command, consisted of one RPKAD company and two PGT (Pasukan Gerak Tjepat, Quick Reaction Force) company, was parachuted to capture the Simpangtiga Airfield and the city of Pekanbaru. The operation was a success, as by 7 AM the Simpangtiga Airfield was fully occupied by the RPKAD forces. At 12 AM, the infantry battalion managed to land on the airfield. The command and the battalion occupied the city with practically no resistance, except at a clash between PRRI rebels and the RPKAD forces in the Lubuk Jambi and Kiliran Jao, which resulted in the death of Captain Ahmad Fadillah, an officer from RPKAD. Governor of Riau Works After his successful command in the Tegas Operation, Nasution was