WEBVTT

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Barry ?Butch" Willmore/CAPCOM: Atlantis, Houston, everything is looking fantastic.

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Therefore, you are ?go" for the deorbit burn. And you can maneuver on time.

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Chris Ferguson/STS-135 Commander: Great news Butch. Thanks. Go for the deorbit burn maneuver on time

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Rob Navias/STS-135 Descent Commentator: The deorbit burn is underway.

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The propulsion officer reports two good, orbital maneuvering system engines.

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Atlantis starts the beginning of the end of a journey that started with the

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aerodynamic testing of a craft called 
Enterprise in 1977, punctuated by the 
maiden launch of Columbia in 1981.

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Culminating this morning with a night flight to the Kennedy Space Center.

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