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STS-115 Atlantis long countdown to launch (launch status check at 3:03) (video private as of 4/7/24) Space Shuttle STS-114 Launch Final Poll ; Go For Launch Part 1 of 2 (2 examples launch director's poll) (video private as of 2/23/24) Go For Launch Part 2 of 2 (example final readiness poll) (video private as of 2/23/24)
A large illuminated digital countdown clock and a flagpole flying an American flag on the edge of the turning basin have often been included in television coverage and launch photos. Before a launch, the clock counts down, showing the remaining time until T-zero in hours, minutes and seconds (–00:00:00). After launch, the clock counts forward ...
The massive Artemis I rocket rolls past the countdown clock atop a mobile launch platform en route to Launch Pad 39B from the Vehicle Assembly Building at the Kennedy Space Center in Florida March ...
The T-minus clock, a schedule of planned activities prior to launch (T−0), and The L-minus clock, a mechanical countdown to the time of launch (L−0). Except for the last few minutes, which are highly automated and rigid, scheduled activities rarely take exactly the scheduled time, and the T-minus clock only corresponds approximately to the ...
After this point through to T-31 seconds, they are in charge of implementing a manual hold if necessary. After T-31 seconds only an automatic cutoff is available. The automatic cutoff recycles the countdown clock to T-20 minutes. Usually this will extend the launch time beyond the launch window causing a scrub and a 24-hour turnaround.
But launch controllers had to deal with an unspecified rocket issue in the final minutes of the countdown and ran out of time. Once the countdown clock was halted, they immediately began draining all the fuel from the rocket. Blue Origin did not immediately set a new launch date, saying the team needed more time to resolve the problem.
Launch window: 5:33 to 10:04 a.m. EDT Thursday, Nov. 14. ... Our Space Team will provide up-to-the-minute updates in a mobile-friendly live blog, complete with a countdown clock, ...
The launch window would have opened at 2:17 pm EDT (18:17 UTC), and lasted for two hours. [85] The launch was scrubbed at 11:17 am EDT due to a fuel supply line leak in a service arm connecting to the engine section. [86] [14] The cause of the leak was uncertain. Mission operators investigated whether an overpressurization of the liquid ...