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Mike Curie/STS-133 Launch Commentator: Go for main engine start. We have main engine start. 2 . . . 1 . . . booster ignition.

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And the final liftoff of Discovery! A tribute to 
the dedication, hard work and pride of

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America's space shuttle team. The shuttle has cleared the tower.

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Josh Byerly/STS-133 Ascent Commentator: Discovery now making one last reach for the stars.

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Discovery's engines are now throttling down 
as the orbiter passes through the area of

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maximum pressure reducing the stress on the shuttle as it goes supersonic.

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Charlie Hobaugh/STS-133 CAPCOM: Discovery, Houston, you are go at throttle up.

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Steve Lindsey/STS-133 Commander: (Inaudible)

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Josh Byerly/STS-133 Ascent Commentator:  Commander Steve Lindsey acknowledging

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the call from CAPCOM Charlie Hobaugh as Discovery's three main engines throttle back up.

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Lindsey is joined on the flight deck by Pilot 
Eric Boe and Mission Specialist Al Drew 
and Nicole Stott.

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Mission Specialist Mike Barratt and Steve Bowen.

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Discovery's three main engines are burning fuel at a rate that would drain an average swimming pool in about 25 seconds.

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The engines, combined with the solid rocket boosters, produce more than 7 million pounds of thrust.

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One minute, 50 seconds into the flight, we're standing by for separation of the twin solid rocket boosters.

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Discovery now traveling 2,695 miles an hour. It's altitude 24 miles. Downrange from the 
Kennedy Space Center 29 miles.

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Booster separation confirmed. Discovery's 
guidance is now converging as the shuttle's 
onboard computers fine tune the flight.

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