J-10 fighter jets fly in echelon formation in patrol mission
Editor：Huang PanyueTime：2020-02-07 09:31:48
A J-10 fighter jet attached to an aviation brigade of the air force under the PLA Southern Theater Command taxies on the runway as other two fighter jets take off simultaneously on February 4, 2020. (eng.chinamil.com.cn/Photo by Xu Yongkai)
