The Freedom 7 capsule made a suborbital flight lasting 15 minutes.

自由7号宇宙飞船共进行了长达15分钟的轨道外飞行。

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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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You'll also have to be able to create a safe and enjoyable commercial suborbital space flight experience for your passengers.

还要能够为乘客创造出安全和愉快的亚轨道商业飞行体验。

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American astronaut Alan Shepard made a suborbital flight later that year, and John Glenn became the first American to orbit Earth in 1962.

CNN: Reports: Monkey soars from Iran into space -- and back

More than 70% surveyed would spend two weeks or less on a suborbital tourism flight and 88% were interested in spacewalking.

BBC: Are people really interested in space tourism?

Financial backer of SpaceShipOne, first to launch private flight into suborbital space.

FORBES: Source: Microsoft, investments