1937年11月,中国军队在淞沪抗战中失利,南京陷入危机,国民政府于11月20日迁往重庆。日军为了威胁中国政府早日投降,不断派遣大批飞机对重庆进行大轰炸。国民政府成立了防空司令部,任命刘峙为重庆卫戍总司令兼防空司令。国民政府还成立了专门的防空部队,下辖通讯大 In November 1937, the Chinese army lost its war in Songhu and Nanjing was in crisis. The National Government moved to Chongqing on November 20. In order to threaten the early surrender of the Chinese government, the Japanese continually dispatched a large number of aircraft to carry out a big bombing in Chongqing. The National Government set up a defensive air defense command and appointed Liu Zhi as commander-in-chief of Chongqing Garrison and air defense commander. The National Government also set up a special anti-aircraft force, under the jurisdiction of communications