The space industry is developing and delivering benefits that tie into our immediate needs and priorities here on Earth-for example, medical and materials research, and satellite communications.

The most fun to do in the weightlessness is going down the ladder headfirst, walking on the ceiling, chasing after M&M's that you throw up into the air - they're just bouncing around all over the place and you go around like a fish eating them. I often tell kids that when you go into space and experience weightlessness, the serious adult in you gives way to the child you used to be, who had imagination, who had no bounds on what was possible.

Canada has made a strong commitment as a partner in the International Space Station and, like the other partners, wishes to see the assembly of this unique orbiting laboratory continue.

I went to military college in Canada and graduated as an officer in the Navy but also as an engineer.

I like the opportunity to travel the world and work in close company with other people.

You're in orbit over the Earth. And suddenly it's very, very quiet. It's dramatic. You realize you're floating in the straps in your chair. And you take off your seat belt and float over to the window and look out, and you realize, "I'm not looking at a picture, here." I couldn't process it all. Even if I forget everything else in my life, that will stay with me, burned into my brain until the day I die.

In 1983, NASA invited Canada to fly three payload specialists, in part because we had contributed the robotic arm that is used on the shuttle.