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Re: sumsumsum post# 3058

Thursday, 12/13/2007 2:24:43 PM

Thursday, December 13, 2007 2:24:43 PM

Post# of 10462
COUNTDOWN TO HTRE BLASTOFF

Crew members close and lock their visors

Orbiter transfers from ground to internal power
(T-5 DAYS)
Ground Launch Sequencer is go for auto sequence start T-4 DAYS
Activate launch pad sound suppression system
T- 3 DAYS
Activate main engine hydrogen burnoff system T-2 days

Main engine start T-1 DAY

T-0
Solid Rocket Booster ignition and we have liftoff!!!