Indonesia's Air Chief Marshal Hadi Tjahjanto and the newly Indonesia's military chief General Andika Perkasa walk during a handover ceremony at the Indonesian Military Headquarters in Jakarta, Indonesia, November 18, 2021. REUTERS/Willy Kurniawan

Newly Indonesia's military chief General Andika Perkasa walk with retired Indonesia's military chief Air Chief Marshal Hadi Tjahjanto, after a handover ceremony at the Indonesian Military Headquarters in Jakarta, Indonesia, November 18, 2021. REUTERS/Willy Kurniawan

Indonesia's Air Chief Marshal Hadi Tjahjanto passes a flag to the new military chief General Andika Perkasa during a handover ceremony at the Indonesian Military Headquarters in Jakarta, Indonesia, November 18, 2021. REUTERS/Willy Kurniawan

Newly Indonesia's military chief General Andika Perkasa signs on the handover document as the Indonesia's Air Chief Marshal Hadi Tjahjanto stands, during a handover ceremony at the Indonesian Military Headquarters in Jakarta, Indonesia, November 18, 2021. REUTERS/Willy Kurniawan

Retired Indonesia's military chief Air Chief Marshal Hadi Tjahjanto shakes hands with General Andika Perkasa, who is appointed as the new military chief, after a handover ceremony at the Indonesian Military Headquarters in Jakarta, Indonesia, November 18, 2021. REUTERS/Willy Kurniawan

Newly Indonesia's military chief General Andika Perkasa speaks to journalists at a press conference with retired Indonesia's military chief Air Chief Marshal Hadi Tjahjanto, after a handover ceremony at the Indonesian Military Headquarters in Jakarta, Indonesia, November 18, 2021. REUTERS/Willy Kurniawan