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Launch of SpaceX from Kennedy Space Center

The Inspiration4 crew in zero gravity during a Zero-G flight on July 11, 2021.

There is no formal training requirement for a space tourism mission. Legally, if you wanted to, they could just walk to the launch pad, buckle up and take off without having a clue what to do once they were up there besides floating around a bit.

But the crew have spent the past six months on a training schedule with SpaceX, and they’ve also taken a few bonding excursions to get comfortable with each other. (They’ll, after all, need to sleep, eat, use the bathroom, and essentially become extremely close roommates during their three-day trip.)

So far they have:

  • familiarized themselves with their Crew Dragon capsule and were outfitted for spacesuits at SpaceX headquarters in Hawthorne, Calif.
  • hike Mount Rainier in Washington state
  • takes a spin in a centrifuge to get used to the intense G forces that will push them into their seats during launch and during reentry. (According to the Netflix documentary, Sembroski threw up.)

They also studied the Crew Dragon manual forward and backward, used a special simulator to navigate the capsule, and even did a 30-hour training run.

“Throughout our training journey he’s loaded up with a lot of academics. And then he moves on to simulator work,” Isaacman told CNN Business. “What you don’t spend time practicing on is just normal everyday things like how are we going to get the food out of the packaging without having debris all over the place?” “

For the record, the crew also practiced this, for good measure.