Ground crews assigned to an aviation brigade of the air force under the PLA Western Theater Command perform thorough inspections on a fighter jet prior to a real-combat flight training exercise. (eng.chinamil.com.cn/Photo by Zhang Weiwei)

A fighter jet attached to an aviation brigade of the air force under the PLA Western Theater Command takes off from the runway for a real-combat flight training exercise. (eng.chinamil.com.cn/Photo by Zhang Weiwei)