30 September Movement

Belligerents

30 September Movement
- Elements of Tjakrabirawa
- Communist Party of Indonesia (Disputed)
  - Special Bureau of the Communist Party of Indonesia
- Angkatan Kelima Militias in Lubang Buaya
- Elements of Indonesian Air Force (Suspected, denied by the Air Force)

Umar WirahadikusumahCasualties and losses Six Indonesian Army commanders killed during the coup, along with other military and civilian casualties.