We've been doing a ton of training to prepare the physical motions of the spacewalk. And we've done a ton of work as a crew to be ready for every contingency that could arise.
Apart from completing the first private spacewalk, Isaacson and the rest of his crew are also set to become the first humans to fly over the Earth's poles.
If you're imagining an airlock, think scrappier. Crew Dragon doesn't have one, so the daring feat will involve depressurizing the entire capsule, which means that all four crew members will have to don their space suits to survive the vacuum of orbit.
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