It's only when you're flying above it that you realize how incredible the Earth really is.
I've been as a pilot involved in the Gulf War. And then, in the No-Fly Zone.
I think that witnessing ecological problems visible from space is one of the new and essential roles of astronauts.
I think doing something of your life is something that you've got deep inside, whether it's to, whether you want to be an astronaut or a, whether you want to do science, or whether you want to be a movie star, or whatever.
I had been here five years already, training very hard, learning about the systems, the shuttle, the station systems. But, everything really became real when I started to work with them.