On my first mission, I was the spacewalk supervisor: the person that runs the spacewalk from inside the vehicle. As such, I was the one that closed the hatch when my colleagues left to work outside for six hours. And I was also the person who opens the hatch when they come back, and we repressurize.

I really feel like, on my first mission, the first mission is when you prove yourself and hopefully deserve the privilege to continue as an astronaut and remain in the corps and get granted an opportunity for a second mission.

We have fans that circulate air in the cabin of the module of the space shuttle. They're running all the time. They're absolutely necessary because, otherwise, you will breathe your own CO2 and intoxicate yourself quite fast.

Julie Payette Quotes