Grueling flying exercises
By 81.cn, Published: 2019-12-03 18:42:30
Photo: 81.cn
Editor's Note:
Grueling flight training under challenging conditions in the PLA Naval Aviation University, to perfect the flying skills of pilots.(Photos: 81.cn)

Photo: 81.cn
Photo: 81.cn
Photo: 81.cn
Photo: 81.cn
Photo: 81.cn
Photo: 81.cn
Photo: 81.cn