即使外星人已经掌握了制造一枚能以光速飞行的火箭的技术，他也可能死在了一架飞船里。
Even if ET has mastered building a rocket that can travel at the speed of light, he may be lying dead inside a weakened craft .
火箭技术已经相当成熟，一直以来NASA都是把火箭和航天器的建造交给承包商负责的。
Rocketry is a mature technology, and NASA has always relied on using contractors to build its rockets and spacecraft.
怀特·霍恩和鲁坦毫不掩饰地表示，他们希望看到，下一代航空运输机和火箭技术结合，可以把人送入太空轨道。
Mr Whitehorn and Mr Rutan have made no secret of their desire to see later generations of carrier aircraft and rocketry that can put people into orbit.
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