Sputnik - the first artificial satellite - is launched by the Soviet Union on October 4, 1957, as a global positioning system for precise weapon delivery and paves the way for GPS as we know it today.

1957年10月4日，苏联发射了首颗人造卫星“斯普特尼克”作为精准武器的全球定位系统，为我们今天所知的GPS铺平了道路。

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Most nuclear warheads are designed for use with a specific delivery system, or means of delivering the weapon to the target.

CENTERFORSECURITYPOLICY: US Nuclear Stockpile