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Key Milestones to Keep in Mind for NASA’s SpaceX Crew-4 Mission – NASA's SpaceX Crew-4 Mission

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Date: 2022-04-27 00:00:00

Below are some of the key milestones leading up to the launch of NASA’s SpaceX Crew-4 mission, as well as some critical events that occur after liftoff. The SpaceX Falcon 9 rocket and Crew Dragon spacecraft are scheduled to lift off just a little more than four hours from now at 3:52 a.m. EDT from Kennedy Space Center’s historic Launch Complex 39A in Florida.

12:32 a.m. Crew walkout from Neil Armstrong Operations & Checkout Building

1:22 a.m. Crew arrival at Launch Complex 39A

1:37 a.m. Crew ingress into Freedom

1:12 a.m. Freedom hatch closure

2:43 a.m. Mission Director Go/No-Go poll for propellant loading

2:48 a.m. Final Go/No-Go for propellant loading

3:12 a.m. Crew access arm retracts

3:14 a.m. Dragon launch escape system is armed

3:17 a.m. Falcon 9 propellant loading begins

3:48 a.m. Strongback retraction

3:50 a.m. Falcon 9 propellant load complete and vehicle transitions to internal power

3:52 a.m. Liftoff!

4:01 a.m. Falcon 9 second stage engine cutoff (SECO)

4:04 a.m. Crew Dragon separation from Falcon 9

4:05 a.m. Crew Dragon nosecone deploy

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[1] Url: https://blogs.nasa.gov/crew-4/2022/04/27/key-milestones-to-keep-in-mind-for-nasas-spacex-crew-4-mission/

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