The US space shuttle programme ended in July, after 30 years.

历经30年，美国航天飞机计划在七月结束。

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The next and last launch of a US space shuttle is scheduled for early July.

美国航天飞机最近一次的发射被安排在7月初。

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The next and last launch of a US space shuttle is scheduled for early July.

美国的下一架，也是最后一架上天的航天飞机预计在七月初发射。 2011年6月10日

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NASA plans to retire the shuttle fleet, bringing US manned space flight to an end, for the forseeable future.

VOA: standard.2010.04.15

Even the US space shuttle discards propulsion elements as it climbs into the sky.

BBC: Skylon: Ending 40 years of hurt

Following the retirement of the US space shuttle in 2011, the only way to transfer astronauts to the International Space Station (ISS) is aboard the three-seat Russian Soyuz vehicle.

BBC: Major Tim Peake says he is not too old to go into space

These kinds of improvements lead us to create the space shuttle and Avatar.

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