![](http://www.ecns.cn/hd/2019/10/17/e5ea54de6c32423ab9446e7730c758a9.jpg)
A PLA air defense unit of the Tibet Military Command has recently held a drill at an area, 4,500 meters above the sea level, in Southwest China’s Tibet Autonomous Region. The live-fire drill aimed to improve air defense preparedness in complex weather conditions. (Photo: China News Service/Zhu Jian)
![](http://www.ecns.cn/hd/2019/10/17/55bcab119cbf465f9f077372e04a7aa0.jpg)
A PLA air defense unit of the Tibet Military Command has recently held a drill at an area, 4,500 meters above the sea level, in Southwest China’s Tibet Autonomous Region. The live-fire drill aimed to improve air defense preparedness in complex weather conditions. (Photo: China News Service/Zhu Jian)
![](http://www.ecns.cn/hd/2019/10/17/5103d6b36fbb4795901d18dffce0b6ce.jpg)
A PLA air defense unit of the Tibet Military Command has recently held a drill at an area, 4,500 meters above the sea level, in Southwest China’s Tibet Autonomous Region. The live-fire drill aimed to improve air defense preparedness in complex weather conditions. (Photo: China News Service/Zhu Jian)
![](http://www.ecns.cn/hd/2019/10/17/1d3a1e861bbc4cc7b5b8fe63e0e07c63.jpg)
A PLA air defense unit of the Tibet Military Command has recently held a drill at an area, 4,500 meters above the sea level, in Southwest China’s Tibet Autonomous Region. The live-fire drill aimed to improve air defense preparedness in complex weather conditions. (Photo: China News Service/Zhu Jian)
![](http://www.ecns.cn/hd/2019/10/17/f3b4608c97b04a6e8a502b02f6ddffdd.jpg)
A PLA air defense unit of the Tibet Military Command has recently held a drill at an area, 4,500 meters above the sea level, in Southwest China’s Tibet Autonomous Region. The live-fire drill aimed to improve air defense preparedness in complex weather conditions. (Photo: China News Service/Zhu Jian)
![](http://www.ecns.cn/hd/2019/10/17/590ccb1d767a4fdda94f3153c006506a.jpg)
A PLA air defense unit of the Tibet Military Command has recently held a drill at an area, 4,500 meters above the sea level, in Southwest China’s Tibet Autonomous Region. The live-fire drill aimed to improve air defense preparedness in complex weather conditions. (Photo: China News Service/Zhu Jian)
![](http://www.ecns.cn/hd/2019/10/17/b812a0ff1e494d1a887e7eeadf60abfe.jpg)
A PLA air defense unit of the Tibet Military Command has recently held a drill at an area, 4,500 meters above the sea level, in Southwest China’s Tibet Autonomous Region. The live-fire drill aimed to improve air defense preparedness in complex weather conditions. (Photo: China News Service/Zhu Jian)
![](http://www.ecns.cn/hd/2019/10/17/5dab9a464a8f4392a21d28b406405256.jpg)
A PLA air defense unit of the Tibet Military Command has recently held a drill at an area, 4,500 meters above the sea level, in Southwest China’s Tibet Autonomous Region. The live-fire drill aimed to improve air defense preparedness in complex weather conditions. (Photo: China News Service/Zhu Jian)
![](http://www.ecns.cn/hd/2019/10/17/65584e904ff340f69a7adb93181df4bd.jpg)
A PLA air defense unit of the Tibet Military Command has recently held a drill at an area, 4,500 meters above the sea level, in Southwest China’s Tibet Autonomous Region. The live-fire drill aimed to improve air defense preparedness in complex weather conditions. (Photo: China News Service/Zhu Jian)