If you want something that's going to provide you with a lot of challenges and a variety of different things to do, then you really can't beat a place like the Air Force. I don't mean this to sound like a recruiting pitch. But it's been a lot of fun.

As you look back at your life, there are just a million different things that have happened, just in the right way, to allow you to make your dreams come true. And you know, someone has all that under control.

When you launch in a rocket, you're not really flying that rocket. You're just sort of hanging on.

I was always fascinated by science-fiction shows, shows like 'Star Trek' and 'Lost in Space.'

Like most kids growing up, I had a very wide interest. I was interested in everything. I tried to take advantage of everything, from the sciences to music to writing to literature.

If you want something that's going to provide you with a lot of challenges and a variety of different things to do, then you really can't beat a place like the Air Force. I don't mean this to sound like a recruiting pitch. But it's been a lot of fun.

Fortunately, I got called down to NASA for an interview. And one thing led to the next, and one day I got that call. I've been here about seven years now and am really enjoying it.