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[b]Countdown holding[/b] This is Vulcan Launch Control at T-minus 4 hours, 30 minutes (L-6 hours) and holding. The countdown has entered the first of two planned, built-in holds amounting to 90 minutes that are scheduled in today's timeline. This first block of time ensures all steps in the procedure prior to cryogenic propellant loading are complete and satisfactory before the start of tanking. The final hold occurs at T-minus 7 minutes before the start of Terminal Count. At the present time, all activities are on schedule and no problems are being addressed by the launch team. A few minutes before the end of this hold, the launch director and the launch conductor readiness polls will be performed of the team to ensure all systems are ready to proceed with cryo operations.
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