Astronauts on their final mission

15 July 2011 Last updated at 10:17 ET Help

The astronauts from Atlantis explained what it was like being on the final space shuttle mission to the International Space Station.

It marks the end of a 30-year shuttle program.

Commander Chris Ferguson started by saying what it felt like being on the last trip and why it was hard to whistle in space.

The team are set to return to earth on July 21.

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