![](http://www.ecns.cn/hd/2019/09/05/44a92f379d624a73b7f9b98d18cd0f62.jpg)
A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Northern Theater Command flies through the valley during a recent aerial combat sortie. (Photo/eng.chinamil.com.cn)
![](http://www.ecns.cn/hd/2019/09/05/df6d1fbfee6f40daa872ef2a6e49814b.jpg)
A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Northern Theater Command flies through the valley during a recent aerial combat sortie. (Photo/eng.chinamil.com.cn)
![](http://www.ecns.cn/hd/2019/09/05/05d6b412bd23455eac9ec35c7ff52072.jpg)
A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Northern Theater Command flies through the valley during a recent aerial combat sortie. (Photo/eng.chinamil.com.cn)
![](http://www.ecns.cn/hd/2019/09/05/7220b02ce9a24b8b93eb994af1b399a2.jpg)
A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Northern Theater Command flies through the valley during a recent aerial combat sortie. (Photo/eng.chinamil.com.cn)
![](http://www.ecns.cn/hd/2019/09/05/a5f00413b0b14ac8b8fc2c1cf413ef5d.jpg)
A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Northern Theater Command flies through the valley during a recent aerial combat sortie. (Photo/eng.chinamil.com.cn)
![](http://www.ecns.cn/hd/2019/09/05/1b7ae163248b4dd289f904556c84ae11.jpg)
A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Northern Theater Command flies through the valley during a recent aerial combat sortie. (Photo/eng.chinamil.com.cn)
![](http://www.ecns.cn/hd/2019/09/05/1506598740dd498ea5f57a60be34cb49.jpg)
A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Northern Theater Command flies through the valley during a recent aerial combat sortie. (Photo/eng.chinamil.com.cn)
![](http://www.ecns.cn/hd/2019/09/05/a312a6222fbb4191bc8b9c9e1e2980cf.jpg)
A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Northern Theater Command flies through the valley during a recent aerial combat sortie. (Photo/eng.chinamil.com.cn)