It was not immediately clear what caused the crash, but some witnesses said the weather at the time was treacherous.
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"But by proving the technology it really opens the door for an economically viable product, where things can be made in space and return to Earth and have use and benefit to everybody on Earth. And that's really exciting."，推荐阅读WPS下载最新地址获取更多信息
"But to travel around, playing your own lyrics and music is a very rewarding feeling and I chose that, and I have no regrets."