An AIDC T-5 Brave Eagle, Taiwan's first locally manufactured advanced jet trainer, takes off in Taichung, Taiwan, June 22, 2020. Taiwan President Tsai Ing-wen oversaw the first public test flight of a new locally designed and made advanced jet trainer on Monday. REUTERS/Ann Wang

Taiwanese President Tsai Ing-Wen receives a model of the AIDC T-5 Brave Eagle, Taiwan's first locally manufactured advanced jet trainer, from the pilots in Taichung, Taiwan, June 22, 2020. Taiwan's armed forces are mostly equipped by the United States, but Tsai has made development of an advanced home-grown defence industry a priority. REUTERS/Ann Wang

An AIDC T-5 Brave Eagle, Taiwan's first locally manufactured advanced jet trainer, lands in Taichung, Taiwan, June 22, 2020. The new AT-5 Brave Eagle, made by state-owned Aerospace Industrial Development Corp with a buddget of T$68.6 billion ($2.32 billion), is the first jet made domestically since the F-CK-1 Ching-kuo fighter. REUTERS/Ann Wang

Taiwanese President Tsai Ing-Wen delivers a speech at the first public test flight of the AIDC T-5 Brave Eagle, Taiwan's first locally manufactured advanced jet trainer, in Taichung, Taiwan, June 22, 2020. The single AT-5, flanked by a Ching-kuo fighter, made a 12-minute flight in front of Tsai. REUTERS/Ann Wang

Taiwanese President Tsai Ing-Wen poses for a photo in front of the AIDC T-5 Brave Eagle, Taiwan's first locally manufactured advanced jet trainer, in Taichung, Taiwan, June 22, 2020. REUTERS/Ann Wang

An AIDC T-5 Brave Eagle, Taiwan's first locally manufactured advanced jet trainer, takes off in Taichung, Taiwan, June 22 ,2020. REUTERS/Ann Wang