On this day, 88 years ago, on August 15, 1937 (July 10, 1937, the lunar calendar), China Air Force frequently fought with Japanese aircraft. On August 15, China Air Force aircraft bombed Japanese warships on the Huangpu River in Shanghai. On August 15, 1937, the China Air Force bombed Japanese positions and Japanese warships in Shanghai in eight batches. On the same day, during the air battle in Hangzhou, our aircraft shot down more than 10 Japanese aircraft. Among them, aircraft No. 2204 piloted by Le Yiqin shot down 4 Japanese aircraft in a row. On the same day, an air battle in Nanjing shot down 5 Japanese aircraft. The Japanese army lost more than 30 bombers that day. On August 16, China Air Force bombed Japanese positions and Japanese ships in Shanghai. The Japanese Navy's flagship "Izumo" was damaged and repaired elsewhere. On the same day, an air battle in Nanjing shot down 9 Japanese aircraft. On August 17, the Fifth Brigade bombed the Japanese headquarters in Shanghai. Pilot Yan Haiwen's plane was shot, descended by parachute and unfortunately fell into the enemy's line. Yan refused to be captured by the enemy, shot many enemy people with his hands, and killed himself with the last bullet. On August 19, the Second Brigade bombed Japanese ships outside the Yangtze River Estuary. The aircraft of squadron leader Shen Chonghai and bomber Chen Xichun broke down. Instead of parachuting, they drove their plane into a Japanese ship from an altitude of 2000 meters and died together with the enemy. On August 22, Wang Tianxiang, acting captain of the Fourth Brigade, led eight aircraft to Liuhe, Shanghai, to bomb the Japanese landing troops. They encountered the Japanese aircraft. The Japanese aircraft that Wang shot down was hit by the enemy and died heroically. On the same day, the China Air Force conducted night attacks on Japanese targets in Shanghai for the first time. Since then, night raids have been dispatched almost every day, with three aircraft dispatched at least once a night. On August 23, in the air battle at Wusongkou, Shanghai, two Japanese aircraft were shot down and one of our aircraft was shot down. Our squadron leader Qin Jiazhu was killed. On August 24, all 105 aircraft on the Japanese aircraft carrier were mobilized to violently bomb our army positions. On August 25, 12 of our aircraft went to Luodian, Shanghai, to attack the Japanese landing forces and bomb the Japanese ships. During the air battle, one Japanese plane was shot down, and our pilots Wang Zhikai, Zhang Juncai, Hong Guanmin and Chen Xiongji died heroically. On August 31, during the air battle in Guangzhou, 8 fighter jets of the 29th Brigade faced 8 Japanese aircraft, shooting down and damaging 1 enemy aircraft. Within half a month, China Air Force shot down a total of 61 Japanese aircraft and wiped out the Japanese air force's so-called elite Luya and Kiganzu. China Air Force has emerged many air warriors represented by Gao Zhihang, Liu Cuigang, Le Yiqin and Liang Tiancheng, the "Four Great Kings". Chen Xichun, a fighter plane of the China Air Force, was on standby to take off, and a second lieutenant pilot of the 9th Team of the Second Air Force Brigade. On August 19, he attacked the enemy ship. When the plane broke down, he and Shen Chonghai collided with the enemy ship Wang Yuting, deputy captain of the 11th Team of the Second Air Force Group. On August 29, he flew a plane to attack a Japanese warship in the Cehekou area of Shanghai. During the battle, the plane broke down and heroically sacrificed his life to the China Air Force fighter jets who were waiting to take off