WEBVTT

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Range safety systems armed. T minus 10 seconds

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go for main engine start
7.. 6.. 5.. <br>

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Three engines up and burning
3.. 2.. 1.. <br>

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and lift off of Space Shuttle Discovery beginning America's new journey to the Moon, Mars and beyond.

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And the vehicle has cleared the tower.

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Houston's now controlling

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Commander Eileen Collins confirming
Discovery's rolling on to the course for a rendezvous with the International Space Station

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Discovery is traveling at 400 miles per hour

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altitude, 12000 feet

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This is the view from camera mounted on Discovery's External Fuel Tank

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Three engines of Discovery are now throttling down to two thirds throttle to prepare
the spacecraft to pass through the area of maximum air pressure and go super sonic.

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