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The launch could happen as early as 20:02, but the action will begin hours before that.
If the program looks like this SpaceXs earlier NASA After astronaut flights, approximately three and a half hours before launch, the crew will begin donning customized SpaceX spacesuits. After technicians confirm that the suits are fitted correctly, the four astronauts will say goodbye to their families and be transported to the launch pad.
About two and a half hours before the flight – around 5:30 p.m. Eastern time – the crew will board the Crew Dragon capsule. SpaceX technicians will then complete a series of procedures before sealing them inside the spacecraft, a process that can take about an hour.
About 45 minutes before the scheduled launch time, SpaceX will begin loading propellant on the rocket and begin performing final checks of the spacecraft’s systems and weather to decide whether it is safe to launch the mission.
When the rocket launches, the capsule will begin a series of steps to be lifted into orbit, including separation from the rocket’s first and second stages. In the following hour, the spacecraft will fire its thrusters and set it on course until the astronauts return to Earth on Saturday.
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