WEBVTT

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NASA COMMENTATOR GEORGE DILLER: From Launch Complex 39 at the Kennedy Space Center in Florida,

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this is Shuttle Launch Control at T-minus three hours and holding.

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The countdown clock came out of a planned two-hour built-in hold at T-minus six hours at 5:03 p.m.

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The loading of the 143,000 gallons of liquid oxygen and 383,000 gallons of liquid hydrogen began a minute later.

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Fueling concluded at 8:05 and the seven-member Final Inspection Team was then dispatched to the launch pad.

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They are scheduled to be there approximately two-and-one-half hours. Activities

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under way during the past hour have been the inertial measurement unit preflight calibration,

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the alignment of the MILA tracking station antennas with the launch pad, activating

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the orbiter's navigation aids, which has just been completed a few moments ago,

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and the initial signal checks with the Air Force Range Safety Eastern Range.

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The Final Inspection Team has been measuring the temperatures on the surface of the vehicle,

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looking for any ice buildup, and performing a final check for any foreign object

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debris that could strike the orbiter upon ignition.

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The seven-member team will have walked up and down the entire 380-foot tower

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of the fixed service structure at the conclusion of their inspections.

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At T-minus three hours and holding, this is Shuttle Launch Control.

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