WEBVTT

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Intro music.

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The seven astronauts who will fly on NASA's Return to Flight mission

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recently completed three days of prelaunch training at Kennedy Space Center in Florida.

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Members of the STS-114 crew took part in the Terminal Countdown Demonstration Test,

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marking the first time astronauts boarded a Shuttle on the launch pad in more than two years.

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The first two days were all about safety.

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Commander Eileen Collins and her crew learned how to escape from the launch pad using a series of

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slidewire baskets that could whisk them to a nearby bunker in the unlikely event of an emergency.

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They also learned to drive M-113 armored personnel carriers.

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The M-113 is a small tank the astronauts could use to drive safely away from the launch pad if necessary.

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On the final day of testing, all seven crew members were dressed in bright-orange launch and landing suits

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and strapped into Space Shuttle Discovery for a realistic launch countdown rehearsal.

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The Terminal Countdown Demonstration Test is held before every Space Shuttle mission to prepare the flight crew and the launch team for a successful liftoff.

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