Two J-10 fighter jets attached to an aviation brigade of the air force under the PLA Southern Theater Command taxi to the ramp at a military airfield before takeoff for a round-the-clock flight training exercise on March 26, 2019. Such "two-on-two" and "two-on-one" free air-to-air combats were carried out during the training to improve the all-weather combat capability of pilots. (eng.chinamil.com.cn/Photo by Wei Jinxin)
Source：China Military Online
