A Look at Key Milestones for NASA?s SpaceX Crew-8 Mission
Below are some of the key milestones leading up to the launch of NASA?s SpaceX Crew-8 mission, as well as some critical events that occur after liftoff. The SpaceX Falcon 9 rocket and Dragon spacecraft are scheduled to lift off a little more than four hours from now at 11:16 p.m. EST from Kennedy Space Center?s historic Launch Complex 39A in Florida.
Time Event (All times approximate) 6:56 p.m. Crew weather brief 7:11 p.m. Crew handoff to SpaceX 7:16 p.m. Suit donning and checkouts 7:56 p.m. Crew walkout from Neil A. Armstrong Operations & Checkout Building 8:01 p.m. Crew transportation to Launch Complex 39A 8:21 p.m. Crew arrives at pad and ascends tower 8:41 p.m. Crew ingress 8:46 p.m. Communication check 8:47 p.m. Seat rotation 8:48 p.m. Suit leak checks 9:21 p.m. Hatch close 10:31 p.m. SpaceX Launch Director verifies go for propellant load 10:34 p.m. Crew access arm retracts 10:37 p.m. Dragon?s launch escape system is armed 10:41 p.m. RP-1 (rocket grade kerosene) loading begins 10:41 p.m. 1st stage LOX (liquid oxygen) loading begins 11:00 p.m. 2nd stage LOX loading begins 11:09 p.m. Falcon 9 begins engine chill prior to launch 11:11 p.m. Dragon transitions to internal power 11:15 p.m. Command flight computer to begin final prelaunch checks 11:15 p.m. Propellant tank pressurization to flight pressure begins 11:15 p.m. SpaceX Launch Director verifies go for launch 11:16 p.m. Falcon 9 liftoff 11:17 p.m. Max Q (moment of peak mechanical stress on the rocket) 11:18 p.m. 1st stage main engine cutoff (MECO) 11:18 p.m. 1st and 2nd stages separate 11:18 p.m. 2nd stage engine starts 11:19 p.m. Boostback Burn Starts 11:22 p.m. Boostback Burn Ends 11:22 p.m. 1st stage entry burn starts 11:23 p.m. 1st stage entry burn ends 11:23 p.m. 1st stage landing burn starts 11:23 p.m. 1st stage landing 11:25 p.m. 2nd stage engine cutoff (SECO-1) 11:28 p.m. Dragon separates from 2nd stage 11:29 p.m. Dragon nosecone open sequence begins
NASA?s live coverage of the Crew-8 launch is airing now on NASA+, NASA Television, the NASA app, YouTube, and the agency?s website, and you can follow along on the mission blog, the commercial crew blog, X, and Facebook for continuous coverage of important Crew-8 launch activities.
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