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.

Now, I've never flown in space; but the folks who have say that on landing day, you know, you've just spent maybe a week and a half, sometimes two weeks in orbit and you're used to the things happening slowly in space.

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.

And, one thing I definitely enjoyed personally, from a selfish point of view, was exploration and going to places that I had never been to before and learning, you know, meeting the people and getting to know, new sights and sounds, etc.

I consider myself to be very fortunate in my career, my timing has worked out.

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.

And then, when I thought about joining the Air Force, flying seemed like a natural extension of the motorcycling experience. You're going faster, higher. You're operating a machine that's a lot more powerful than you are.