He then studied to be a teacher, graduating in 1943, after which he decided to join the PETA militia, which had been established by the Japanese forces then occupying the Dutch East Indies.

The following day, while troops loyal to the movement were still in control of Central Jakarta, President Sukarno went to Halim Air force Base, which the group was using as its headquarters, although he claimed that this was so he could be near an aircraft if he needed to escape.

He subsequently persuaded the 30 September Movement troops occupying the square in front of Kostrad HQ to withdraw.

[3][4][5] Following the failure of the 30 September Movement, on 2 October, Sukarno, Suharto, Pranoto and Gen. Mursjid had a meeting at the Bogor Palace.

[6] Pranoto was accused of involvement in the 30 September Movement, and on 16 February 1966, he was detained on the orders of Suharto, who had never forgiven him for the "betrayal" of the report to Army HQ.