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50年代正值冷战时期,两个超级大国展开了大规模的军备竞赛。美国认为。苏联已有多处洲际弹道导弹发射阵地。其携带的核武器30分钟就能飞到美国本土,而且正在发展一个反导弹系统以对付美国的远程导弹。苏联在美国之前已成功地爆炸了一颗氢弹。苏联一个大规模化学、生物武器计划正在实施。美国需要大量有关苏联的确切情报,但美国情报人员不能用地面人员来监视苏联如此广大范围的军事设施,在二战中发挥重要作用的情报机构再也跟不上时代发展的需要了。美国中央情报局的U-2侦察机计划仅实行了一两年,人们发现,这些飞行航次不多,侦察的区域也不大,已不能依靠U-2飞机获取的资料来指导国家的政策了。因此,卫星就成为获取大量有价值情报资料的唯一途径。
In the 1950s, just as the Cold War era, the two superpowers launched a large-scale arms race. The United States thinks. The Soviet Union has a number of intercontinental ballistic missile launch positions. Its nuclear weapons will fly to the United States within 30 minutes and an anti-missile system is being developed to deal with U.S. long-range missiles. The Soviet Union successfully exploded a hydrogen bomb before the United States. A large-scale chemical and biological weapons program is being implemented in the Soviet Union. The United States needs a lot of accurate intelligence about the Soviet Union. However, US intelligence personnel can not use surface personnel to monitor such a vast area of Soviet military facilities and intelligence agencies that played an important role in World War II can no longer keep up with the needs of the times. The CIA’s U-2 reconnaissance plane program was only implemented for a year or two. It has been found that these flight voyages are modest and there is not much reconnaissance area. It can no longer rely on the information obtained by the U-2 aircraft to guide the national policy. . As a result, satellites have become the only way to access vast amounts of valuable intelligence.