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BRUCE BUCKINGHAM: Fifteen. Twelve. Eleven. Ten. Nine. Eight. Seven. Six. Go for main engines start. Main engines start.

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Two. One. Booster ignition and liftoff of the Space Shuttle Discovery, returning to the space station, paving the way for future missions beyond.

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Houston now controlling the flight of Discovery. The space shuttle begins the journey back into orbit.

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Discovery completes its roll, the shuttle now heads down,

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wings level for the 8-1/2 minute climb to orbit. This view from a camera on the external tank's liquid oxygen feedline

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showing the bird's-eye view of Discovery as it races toward space,

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a star-spangled start to Discovery's mission.

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Discovery already 3-1/2 miles in altitude and 1-1/2 miles downrange, traveling almost 750 miles an hour. Everything looking good on the bird.

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Fifty-seven seconds into the flight. Engines beginning to rev up. Standing by for the throttle-up call from Capcom Steve Frank.

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CAPCOM: Discovery, Houston. Go at throttle up.

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STEVE LINDSEY: Roger. Go at throttle up.

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The throttle-up call acknowledged by Commander Steve Lindsey.

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Discovery, Houston. Your expected data will clear shortly.

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LINDSEY: Copy.

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Lindsey joined on the flight deck by Pilot Mark Kelly, Flight Engineer Lisa Nowak and Mission Specialist Mike Fossum. Mission Specialists Piers Sellers,

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Stephanie Wilson and Thomas Reiter of the European Space Agency down on the mid-deck. Reiter headed for six months on the International Space Station.

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