1953 After the Korean War, the Kuomintang authorities, who had just retreated to Taiwan Province Province, set up the "Black Bat Squadron" to spy on the mainland military intelligence for the US Central Intelligence Agency (CIA) in order to maintain the "US-Taiwan relationship" and obtain American assistance. According to statistics, "Black Bat Squadron" stopped its reconnaissance mission from 1953 to1967 65438+February, * * * carried out 838 sorties, 10 plane was shot down or accidentally crashed, and 140 people died in the line of duty.