K-8 mediate trainer jets attached to the Red Falcon Aerobatic Team of the Aviation University of the Chinese PLA Air Force emit colored smoke during the 2025 aviation open-day activities of the Chinese PLA Air Force and Changchun Air Show in Changchun City, northeast China's Jilin Province. (eng.chinamil.com.cn/Photo by He Jieying)2025年空军航空开放活动和长春航空展虽已结束，但各型飞机让人印象深刻。图为红鹰飞行表演队的教-8。（英文中国军网/何洁楹 摄）