Two J-10 fighter jets attached to an aviation brigade of the air force under the PLA Southern Theater Command taxi in close formation before takeoff for air combat training sorties on May 23, 2020. (eng.chinamil.com.cn/Photo by Wei Jinxin)

A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command taxies on the flightline as another fighter jet takes off during a flight training exercise on May 23, 2020. (eng.chinamil.com.cn/Photo by Wei Jinxin)

A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command taxies on the flightline as another fighter jet takes off during a flight training exercise on May 23, 2020. (eng.chinamil.com.cn/Photo by Wei Jinxin)

A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command takes off for an air combat training sortie on May 23, 2020. (eng.chinamil.com.cn/Photo by Wei Jinxin)