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Rocket nation

机译：火箭国家

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摘要

North Korea's Ballistic Missile Programme has made astonishing strides in the past two years and has been complemented by a parallel programme to develop nuclear weapons. An arsenal based on short and medium-range missiles of mainly Russian Cold War origin, such as SCUD and North Korea's own NODONG design, the latest of which repeatedly failed its flight tests, has been very recently joined by two new missiles, one of them in the ICBM class with the range purportedly to reach North America. This weapon has demonstrated an ability to cross mainland Japan in test flights of over 2,000 miles before plunging into the Pacific Ocean. With an altered trajectory, the Hwong 14 should be able to reach some targets in North America and threaten the US Navy base on Guam. Although other nuclear armed countries, such as India and Pakistan, are building and testing intermediate range missiles, none has progressed to ICBMs in such a short time. The North Koreans are also progressing with design and testing of nuclear warheads and are claiming to have the capability to miniaturise them, although this has still to be demonstrated. The question is, how have they done it?
机译：朝鲜的弹道导弹计划在过去两年中取得了惊人的进步，并得到了一项平行计划的补充，以开发核武器。一种基于主要来自俄罗斯冷战的短程和中程导弹的武器库，例如飞毛腿和朝鲜自己的NODONG设计，最近一次重复未能通过其飞行测试，最近又加入了两枚新导弹，其中一个据称是ICBM级的，其射程可到达北美。这种武器在跳入太平洋之前表现出了在超过2000英里的试飞中穿越日本大陆的能力。随着航迹的改变，Hwong 14应该能够到达北美的某些目标，并威胁美国在关岛的海军基地。尽管印度和巴基斯坦等其他核武国家正在建造和试验中程导弹，但在如此短的时间内，没有一个发展成洲际弹道导弹。朝鲜人还在核弹头的设计和测试方面取得进展，并声称有能力使核弹头小型化，尽管这仍有待证明。问题是，他们是如何做到的？

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