A pilot sitting in the cockpit of his J-10 fighter jet goes through pre-flight procedures in preparation for a midnight air combat flight training exercise conducted by an aviation brigade of the air force under the PLA Southern Theater Command on October 24, 2019. (eng.chinamil.com.cn)

A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command taxis onto the runway during a midnight air combat flight training exercise on October 24, 2019. (eng.chinamil.com.cn)

A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command taxis onto the runway during a midnight air combat flight training exercise on October 24, 2019. (eng.chinamil.com.cn)

A ground crew assigned to an aviation brigade of the air force under the PLA Southern Theater Command signals a J-10 fighter jet to taxi into its aircraft shelter after a midnight air combat flight training exercise on October 24, 2019. (eng.chinamil.com.cn)