Ground crews assigned to an aviation regiment under the PLA Air Force assist pilots to go through pre-flight inspections prior to a recent night flight training exercise. (eng.chinamil.com.cn/Photo by Tang Huaihui)

A ground crew member assigned to an aviation regiment under the PLA Air Force uses light signals to guide a fighter jet taxi into the aircraft hangar after landing during a recent night flight training exercise. (eng.chinamil.com.cn/Photo by Tang Huaihui)

A ground crew member assigned to an aviation regiment under the PLA Air Force uses light signals to guide a fighter jet taxi into the aircraft hangar after landing during a recent night flight training exercise. (eng.chinamil.com.cn/Photo by Tang Huaihui)

A pilot assigned to an aviation regiment under the PLA Air Force gets all settled in the cockpit of a fighter jet during a recent night flight training exercise. (eng.chinamil.com.cn/Photo by Tang Huaihui)

A pilot assigned to an aviation regiment under the PLA Air Force gets all settled in the cockpit of a fighter jet during a recent night flight training exercise. (eng.chinamil.com.cn/Photo by Tang Huaihui)

A pilot assigned to an aviation regiment under the PLA Air Force gets all settled in the cockpit of a fighter jet during a recent night flight training exercise. (eng.chinamil.com.cn/Photo by Tang Huaihui)

A pilot assigned to an aviation regiment under the PLA Air Force gets all settled in the cockpit of a fighter jet during a recent night flight training exercise. (eng.chinamil.com.cn/Photo by Tang Huaihui)