NASA’s SpaceX Crew-10 Launch Day Milestones

NASA’s SpaceX Crew-10 launch operations are underway to send four crew members to the International Space Station. Crew-10 is the 10th crew rotation mission with SpaceX to the space station under the agency’s  Commercial Crew Program.  

Time              Event  (All times subject to change) 
3:03 p.m.      Suit donning and checkouts 
3:43 p.m.     Crew walkout from Neil A. Armstrong Operations & Checkout Building 
3:48 p.m.     Crew transportation to launch pad 
4:08 p.m.     Crew arrives at pad and ascends tower 
4:28 p.m.     Crew enters SpaceX Dragon spacecraft 
4:43 p.m.     Communication check 
4:48 p.m.     Seat rotation 
4:49 p.m.     Suit leak checks 
5:08 p.m.     Hatch close 
6:18 p.m.     SpaceX Launch Director verifies go for propellant load 
6:21 p.m.     Crew access arm retracts 
6:25 p.m.     Dragon’s launch escape system is armed 
6:28 p.m.     RP-1 (rocket grade kerosene) loading begins 
6:28 p.m.    1st stage LOX (liquid oxygen) loading begins 
6:47 p.m.     2nd stage LOX loading begins 
6:56 p.m.     Falcon 9 begins engine chill prior to launch 
7:02 p.m.      Dragon transitions to internal power 
7:02 p.m.      Command flight computer to begin final prelaunch checks 
7:02 p.m.      Propellant tank pressurization to flight pressure begins 
7:02 p.m.      SpaceX Launch Director verifies go for launch 
7:03 p.m.      Falcon 9 liftoff 
7:04 p.m.     Max Q (moment of peak mechanical stress on the rocket) 
7:05 p.m.     1st stage main engine cutoff (MECO) 
7:05 p.m.    1st and 2nd stages separate 
7:05 p.m.     2nd stage engine starts 
7:10 p.m.      1st stage entry burn starts 
7:11 p.m.      2nd stage engine cutoff (SECO-1) 
7:14 p.m.      Dragon separates from 2nd stage 
7:15 p.m.      Dragon nosecone open sequence begins