Now you're coming back to Earth, and things are getting more and more dynamic.

And, so I set my goals on astronaut because, as a military aviator, it was, I considered that to be about the peak of a flying career.

Well, for me it really wasn't a case of deciding to be an astronaut.

That's what Hubble can do for us. It can tell us whether the universe is expanding forever or if one day it's going to come back together.

You know, Scooter's going to do the first separation burn; I'm going to do the second separation burn.

You know, piloting really isn't my hobby. And, it's probably not something I'd do in my spare time if I could do whatever I wanted to do. But, I'll tell you: if you've got to make a living, it's a great way to make a living!

And, all these things need to be coordinated; so we all need to work together, have timers going and everything so we're all coordinated and get this piece of orchestration done.