![Maintenance men assigned to an aviation brigade of the air force under the PLA Western Theater Command go through pre-flight procedures on a J-11 fighter jet prior to the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)](http://www.ecns.cn/hd/2018/09/13/13ac9c16037d4a80945129d555e3c819.jpg)
Maintenance men assigned to an aviation brigade of the air force under the PLA Western Theater Command go through pre-flight procedures on a J-11 fighter jet prior to the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)
![A KJ-500 airborne early warning (AEW) aircraft attached to an aviation brigade of the air force under the PLA Western Theater Command takes off for a combat sortie during the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)](http://www.ecns.cn/hd/2018/09/13/ff4985c2273349b2967d21e5a0af57bc.jpg)
A KJ-500 airborne early warning (AEW) aircraft attached to an aviation brigade of the air force under the PLA Western Theater Command takes off for a combat sortie during the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)
![A J-11 fighter jet attached to an aviation brigade of the air force under the PLA Western Theater Command deploys its drogue parachute to slow itself after landing at a military airfield during the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)](http://www.ecns.cn/hd/2018/09/13/e29edca6f7a04548962421af79667856.jpg)
A J-11 fighter jet attached to an aviation brigade of the air force under the PLA Western Theater Command deploys its drogue parachute to slow itself after landing at a military airfield during the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)
![A pilot assigned to an aviation brigade of the air force under the PLA Western Theater Command pilots his J-11 fighter jet to conduct fire strike during the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)](http://www.ecns.cn/hd/2018/09/13/0acad038bb1c4a6d92350ea6f4ce1a06.jpg)
A pilot assigned to an aviation brigade of the air force under the PLA Western Theater Command pilots his J-11 fighter jet to conduct fire strike during the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)
![Weapons load crew airmen assigned to an aviation brigade of the air force under the PLA Western Theater Command transfer missiles of J-11 fighter jets prior to the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)](http://www.ecns.cn/hd/2018/09/13/7d9ed8d32f174c2d92ab4e427c220a23.jpg)
Weapons load crew airmen assigned to an aviation brigade of the air force under the PLA Western Theater Command transfer missiles of J-11 fighter jets prior to the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)
![Maintenance men assigned to an aviation brigade of the air force under the PLA Western Theater Command conduct a foreign object debris walk at a military airfield prior to the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)](http://www.ecns.cn/hd/2018/09/13/6dd3adad9a4b4d88a4cc78f1d45fb0cb.jpg)
Maintenance men assigned to an aviation brigade of the air force under the PLA Western Theater Command conduct a foreign object debris walk at a military airfield prior to the flight training exercise in the hinterland of the Kunlun Mountains in early September, 2018. (Photo/eng.chinamil.com.cn)