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Hi, I'm RJ with KENS Science News Network.

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Safety comes first for the space shuttle, and many changes were made to assure a safe return to flight.

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New cameras watch the shuttle as it takes off, throughout the flight, and when it returns to Earth.

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Sensors record changes in heat.

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These changes have been tested to prepare the shuttle to return to flight.

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To find out more, visit our website.

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Until next time, I'm RJ with KENS Science News Network.