I've been lucky enough to fly to space twice.
I've had a chance to fly a lot of different airplanes, but it was nothing like the shuttle ride.
And now for Return to Flight, I'm chief of robotics working in the astronaut office in Houston, as a Canadian.
So without that Canadian invention we were grounded. And so that was a really important and key part of the mission and Canadians should take real pride in it.
Our role is to develop techniques that allow us to provide emergency life-saving procedures to injured patients in an extreme, remote environment without the presence of a physician.
It is spectacular. From about five minutes in, when we knew for sure that we were going to have the weather to go, the smile on my face just got bigger and bigger, and I was just beaming through the whole launch. I mean, it is just an amazing ride.