It's only when you're flying above it that you realize how incredible the Earth really is

And, you run also video because to fly this arm, you're relying mostly on some external camera views that may be coming from the arm itself or from the station.

We also had to bring with us some desired scientific equipment over to the station as well as assemble new machines. For that, I had to conduct two space walks.

So, it takes a lot of chance and luck. I mean I was lucky enough to get in the program where people with the same skills never made it to the program. So keep trying.

I've been as a pilot involved in the Gulf War. And then, in the No-Fly Zone

Polytechnique is a school whose multi disciplinary, very high scientific level curriculum is invaluable.

I think that witnessing ecological problems visible from space is one of the new and essential roles of astronauts