Transport helicopters attached to an army aviation brigade under the PLA Xinjiang Military Command sit abreast on the flightline at sunrise before a recent flight training test. (eng.chinamil.com.cn/Photo by Yu Guangtong)

Transport helicopters attached to an army aviation brigade under the PLA Xinjiang Military Command land successively at airborne landing points during a recent flight training test. (eng.chinamil.com.cn/Photo by Yu Guangtong)

Attack helicopters attached to an army aviation brigade under the PLA Xinjiang Military Command lift off in emergency to attack mock enemies during a recent flight training test. (eng.chinamil.com.cn/Photo by Yu Guangtong)

Attack helicopters carrying missiles attached to an army aviation brigade under the PLA Xinjiang Military Command are ready to lift off during a recent night flight training test. (eng.chinamil.com.cn/Photo by Yu Guangtong)

An attack helicopter attached to an army aviation brigade under the PLA Xinjiang Military Command releases jamming projectiles for concealment during a recent night flight training test. (eng.chinamil.com.cn/Photo by Yu Guangtong)