Indonesia air force anti-terror squad perform during a ceremony commemorating the 70th anniversary of the Indonesian Air Force in Jakarta, capital of Indonesia, on April 9, 2016. (Xinhua/Zulkarnain)
Soldiers march as they participate in a ceremony commemorating the 70th anniversary of the Indonesian Air Force in Jakarta, capital of Indonesia, on April 9, 2016. (Xinhua/Zulkarnain)
Indonesia air force anti-terror squad perform during a ceremony commemorating the 70th anniversary of the Indonesian Air Force in Jakarta, capital of Indonesia, on April 9, 2016. (Xinhua/Zulkarnain)
Photo taken on April 9, 2016 shows a fighter jet performing during a ceremony commemorating the 70th anniversary of the Indonesian Air Force in Jakarta, Indonesia. (Xinhua/Zulkarnain)
Photo taken on April 9, 2016 shows Indonesia air force acrobatic team "Jupiter" performing during a ceremony commemorating the 70th anniversary of the Indonesian Air Force in Jakarta, Indonesia. (Xinhua/Zulkarnain)
Indonesia air force paratroopers perform during a ceremony commemorating the 70th anniversary of the Indonesian Air Force in Jakarta, capital of Indonesia, on April 9, 2016. (Xinhua/Zulkarnain)
Indonesia air force paratroopers perform during a ceremony commemorating the 70th anniversary of the Indonesian Air Force in Jakarta, capital of Indonesia, on April 9, 2016. (Xinhua/Zulkarnain)