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建立人际资源圈National_Missle_Defense
2013-11-13 来源: 类别: 更多范文
National Missle Defense
A Look at National Missile Defense
Within the United States
In the late 1950s, due to the former Soviet Union successfully launching a satellite into space with the help of a multi-stage missile, the United States then began to address the idea of missile defenses. Soon, both offensive and defensive long-range ballistic missile development would be placed on our governments agenda. The objective was simple, to develop a system that could track down any missiles launched at the United States, and eliminate them before they reached their designated targets. Nike-Zeus was one of the first U.S. efforts to mount a defense against ballistic missiles. Its concept called for a 400-kiloton nuclear warhead to be detonated when in range with incoming missiles. This design had numerous flaws, and after several decades of improvements, it was updated during Lyndon B. Johnsons presidency. By this time in 1967, the United States realized it could never stop an all-out attach by the Soviets, and therefore shifted its efforts to protecting major cities from attack. Following the 1969 election of Richard Nixon, the missile defense focus shifted once again, this time to guarding cities with vital military stations. The
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