7 янв 1981 г. - Until 12th April 1981 all spacecraft were designed to be used only once. The Space Shuttle, was designed to be reused for up to 100 visits to space, in an attempt to make space travel less expensive. With five hugely powerful rocket motors, it can fly at more than 17,000 miles per hour. Six were been built, but none fly any more - NASA retired the last of the fleet in 2011.
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7 янв 1981 г.
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