Soldiers assigned to an army aviation brigade under the PLA 73rd Group Army quick board a Mi-171 transport helicopter during a coordinated fast-roping training exercise on August 23, 2019. (eng.chinamil.com.cn/Photo by Li Shilong)
Soldiers assigned to an army aviation brigade under the PLA 73rd Group Army quick board a Mi-171 transport helicopter during a coordinated fast-roping training exercise on August 23, 2019. (eng.chinamil.com.cn/Photo by Li Shilong)