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Space Shuttle program

NASA's Space Shuttle, officially called Space Transportation System (STS), is the United States government's only manned launch vehicle currently in service.

It is the first winged manned spacecraft to achieve orbit and land.

Note:   The above text is excerpted from the Wikipedia article "Space Shuttle program", which has been released under the GNU Free Documentation License.
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December 1, 2015

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updated 12:56 pm ET