A PLZ-05 155mm self-propelled howitzer attached to a brigade under the PLA 72nd Group Army rumbles on a designated training field at an undisclosed desert area in northwest China during a training exercise on May 17, 2019. Photo: eng.chinamil.com.cn

A PLZ-05 155mm self-propelled howitzer attached to a brigade under the PLA 72nd Group Army rumbles on a designated training field at an undisclosed desert area in northwest China during a training exercise on May 17, 2019. Photo: eng.chinamil.com.cn

PLZ-05 155mm self-propelled howitzers attached to a brigade under the PLA 72nd Group Army rumble on a designated training field at an undisclosed desert area in northwest China during a training exercise on May 17, 2019. Photo: eng.chinamil.com.cn

PLZ-05 155mm self-propelled howitzers attached to a brigade under the PLA 72nd Group Army rumble on a designated training field at an undisclosed desert area in northwest China during a training exercise on May 17, 2019. Photo: eng.chinamil.com.cn

PLZ-05 155mm self-propelled howitzers attached to a brigade under the PLA 72nd Group Army rumble on a designated training field at an undisclosed desert area in northwest China during a training exercise on May 17, 2019. Photo: eng.chinamil.com.cn