Tanks attached to a brigade under the PLA 76th Group Army move forward to a designated training area during a tactical training exercise near the Qilian Mountains in northwest China's Gansu Province on November 5, 2018. (Photos: eng.chinamil.com.cn)

A group of self-propelled anti-aircraft artillery systems attached to a brigade under the PLA 76th Group Army rumble in formation during a tactical training exercise near the Qilian Mountains in northwest China's Gansu Province on November 5, 2018.

A group of armored infantry fighting vehicles (IFVs) attached to a brigade under the PLA 76th Group Army rumble in formation during a tactical training exercise near the Qilian Mountains in northwest China's Gansu Province on November 6, 2018.

Tanks attached to a brigade under the PLA 76th Group Army move forward to a designated training area during a tactical training exercise near the Qilian Mountains in northwest China's Gansu Province on November 5, 2018.