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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)
Countdown clock at NASA's Kennedy Space Center at L-11 hours (28 April 2011) of STS-134, Space Shuttle Endeavour. The launch weather guidelines involving the Space Shuttle and expendable rockets are similar in many areas, but a distinction is made for the individual characteristics of each.
Follow FLORIDA TODAY's Space Team live launch coverage on this page beginning 90 minutes before liftoff. Countdown Timer. When is today’s SpaceX launch?
A rocket launch is scheduled overnight — NASA's PACE spacecraft. As of 11 a.m. Tuesday, Feb. 6, SpaceX and NASA are targeting 1:33 a.m. EST Wednesday to launch PACE atop a Falcon 9 rocket from ...
NASA will provide coverage of the launch, the subsequent docking and the activities that precede the mission. On launch day, coverage begins at 9:10 a.m. EDT on NASA+ and the space agency’s website.
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.
Follow live as NASA targets early Wednesday, Sept. 21, for a Space Launch System fueling test at Kennedy Space Center in Florida.
A built-in hold is a period in a launch countdown during which no activities are scheduled and the countdown clock is stopped. The hold serves as a milestone in the countdown, an opportunity for non-launch activities (such as a shift change or meal break), and a chance to perform unanticipated activities such as equipment repair.