Below are some key milestones for today’s Crew-2 mission. Launch is targeted for 5:49 a.m. EDT.
- 1:29 a.m. Crew weather brief
- 1:39 a.m. Crew handoff
- 1:49 a.m. Suit donning and checkouts
- 2:29 a.m. Crew walkout from Neil Armstrong Operations & Checkout Building
- 2:34 a.m. Crew transportation to Launch Complex 39A
- 2:54 a.m. Crew arrives at pad
- 3:14 a.m. Crew ingress
- 3:29 a.m. Communication check
- 3:34 a.m. Verify ready for seat rotation
- 3:52 a.m. Suit leak checks
- 3:54 a.m. Hatch close
- 5:04 a.m. SpaceX Launch Director verifies go for propellant load
- 5:07 a.m. Crew access arm retracts
- 5:11 a.m. Dragon spacecraft launch escape system is armed
- 5:14 a.m. RP-1 (rocket grade kerosene) loading begins; first stage liquid oxygen loading begins
- 5:33 a.m. Second stage liquid oxygen loading begins
- 5:42 a.m. Falcon 9 begins engine chill prior to launch
- 5:44 a.m. Dragon transitions to internal power
- 5:48 a.m. Command flight computer to begin final prelaunch checks;
propellant tank pressurization to flight pressure begins - 5:48:17 a.m. SpaceX Launch Director verifies go for launch
- 5:48:59 a.m. Engine controller commands engine ignition sequence to start
- 5:49:02 a.m. Liftoff!
- 5:50 a.m. Max Q (moment of peak mechanical stress on the rocket)
- 5:51:38 a.m. First stage main engine cutoff (MECO)
- 5:51:41 a.m. First and second stages separate
- 5:51:49 a.m. Second stage engine starts
- 5:56 a.m. First stage entry burn
- 5:57:49 a.m. Second stage engine cutoff (SECO-1)
- 5:58:05 a.m. First stage entry burn
- 5:58:32 a.m. First stage landing
- 6:01 a.m. Crew Dragon separates from second stage
- 6:02 a.m. Dragon nosecone open sequence begins