The rocket is Ares I-X? A suborbital prototype for the Ares I rocket NASA plans to use to launch its shuttle successor, the Orion spacecraft.

这次发射的火箭“战神i - X”是“战神i”(Ares I)的亚轨道原型机，美国国家航空航天局计划使用“战神i”发射猎户座太空船。

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The rocket is Ares I-X - a suborbital prototype for the Ares I rocket NASA plans to use to launch its shuttle successor, the Orion spacecraft.

这次发射的火箭“战神i - X”是“战神i”(Ares I)的亚轨道原型机，美国国家航空航天局计划使用“战神i”发射猎户座太空船。

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Alan Shepard, the first US astronaut, would not be launched until almost a month later and then on a comparatively short suborbital flight.

阿兰·谢巴德，第一位美国宇航员，在近一个月之后才进入了太空，相比之下只进行了短暂的不满一整圈轨道的飞行。

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Mr Sirangelo emphasised SNC's stepwise approach to getting into space, with the first launches going only suborbital (a short hop above the atmosphere) followed eventually by fully orbital sorties.

BBC: US firms target astronaut flights

There is little doubt that Branson, the founder of multiple companies, including a suborbital spaceflight company, Virgin Galactic, is a visionary.

FORBES: Richard Branson Wants a Population on Mars. Here's How He Can Create It.

And last year, European aerospace giant EADS announced plans for its Astrium space division to develop a line of suborbital jets to satisfy a space tourism market that it predicts could grow to as many as 15, 000 passengers a year by 2020.

CNN: Opening the space frontier, one tourist at a time