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Key Milestones to Keep in Mind for NASA’s SpaceX Crew-3 Mission

10 Nov 2021, 22:00 UTC
Key Milestones to Keep in Mind for NASA’s SpaceX Crew-3 Mission
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The official crew portrait of the SpaceX Crew-3 mission with (from left) Commander Raja Chari and Pilot Thomas Mashburn, both NASA astronauts; Mission Specialist Matthias Maurer of ESA (European Space Agency); and Mission Specialist Kayla Barron of NASA. Photo credit: NASA
Below are some of the key milestones leading up to the launch of NASA’s SpaceX Crew-3 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 9:03 p.m. EST from Kennedy Space Center’s historic Launch Complex 39A in Florida.

5:01 p.m. Crew-3 weather briefing
5:06 p.m. Launch Director countdown briefing and readiness poll; crew suit donning
5:40 p.m. Crew walkout from Neil Armstrong Operations & Checkout Building
6:04 p.m. Crew arrival at Launch Complex 39A
6:28 p.m. Crew ingress into Endurance
7:08 p.m. Endurance hatch closure
8:08 p.m. Mission Director Go/No-Go poll for propellant loading
8:13 p.m. Final Go/No-Go for propellant loading
8:21 p.m. Crew access arm retracts
8:25 p.m. Dragon launch escape system is armed
8:28 p.m. Falcon 9 propellant loading begins
8:59 p.m. Strongback retraction
9:01 p.m. Falcon 9 propellant load complete ...

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