汉口撤退在南昌失陷前夕,中日空军之间曾连续爆发激烈的空战,双方互有损失。中国空军第24中队的中队长徐保均便牺牲在此时。在南昌被日军攻陷之后,武汉已是岌岌可危,1938年秋,国民党政府只得考虑“二次迁都”,将临时首都再从武汉迁往西南城市重庆。而一直驻扎在汉口一带的中苏联合空军此时尚有近二百架各类飞机,在临时政府班子匆匆起程前往 Hankou retreat On the eve of Nanchang’s collapse, the Chinese and Japanese air forces broke out fierce air combat in a row, with mutual losses. Xu Baobo, squadron leader of the 24th Squadron of the Chinese Air Force, sacrificed at this time. After Nanking was captured by the Japanese troops, Wuhan was in jeopardy. In the autumn of 1938, the Kuomintang government had to consider relocating the capital twice and relocating the temporary capital from Wuhan to the southwestern city of Chongqing. The Sino-Soviet United Air Force, which has been stationed in the Hankou area, has nearly 200 various types of aircraft at this time and hastily set off from the temporary government team