SpaceX
Launch
armed-35:00—RP-1
Sec—
burn08:59—Second
CrewDragon
NASA
@NASA
Twitter, SpaceXWritten
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Sec—
Launch Director
Dragon spacecraftLAUNCH
DRAGON
https://t.co/cP1HuVwg6c
Brian Wang
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There was a successful landing of the first stage.Mission Timeline (all times approximate)COUNTDOWNMin/Sec—Events-45:00—SpaceX Launch Director verifies “go” for propellant load-37:00—Dragon launch escape system is armed-35:00—RP-1 (rocket grade kerosene) loading begins-35:00—First stage LOX (liquid oxygen) loading begins-16:00—Second stage LOX loading begins-07:00—Falcon 9 begins engine chill prior to launch-05:00—Dragon transitions to internal power-01:00—Command flight computer to begin final prelaunch checks-01:00—Propellant tank pressurization to flight pressure begins-00:45—SpaceX Launch Director verifies go for launch-00:03—Engine controller commands engine ignition sequence to start-00:00—Liftoff of the SpaceX Falcon 9 rocket and Crew Dragon spacecraftLAUNCH, LANDING AND DRAGON DEPLOYMENTMin/Sec—Events00:58—Max Q (moment of peak mechanical stress on the rocket)02:35—First stage main engine cutoff (MECO)02:38—First and second stages separate02:42—Second stage engine starts07:48—First stage entry burn08:59—Second stage engine cutoff (SECO-1)09:24—First stage landing burn09:52—First stage landing11:00—Dragon separates from second stage You may be wondering why @SpaceX’s #CrewDragon launches on Saturday, March 2 at 2:49am ET.
As said here by Brian Wang