I stayed in the astronaut program until 1993. People ask me why I left. I thought I had a lot of things to contribute that would be difficult to do if I stayed. I thought I could have a stronger voice as an advocate for space exploration. So I ended up starting my own technology consulting company.
The opportunities to become an astronaut in Canada were far and few.
NASA has never had a problem finding capable people to be astronauts. NASA's problem was, and still is, finding ways to cut the list of capable applicants down to a manageable length.
President Bush announced a major new plan for the United States to put a man on the moon, which would be a really big story if this were 1962. Bush said he didn't remember anything about the 60's - I guess he wasn't lying.
Science fiction writers didn't predict the fade-out of NASA's manned space operations, and they weren't prepared with alternative routes to space when that decline became undeniable.
I went to school at night in L.A. to brush up on my engineering while I applied to the astronaut program. I really did not know if I would get in. It was the year after the Challenger accident in 1987.
The biggest honor is to be an astronaut. It's such a tremendous privilege to be able to represent humankind in our quest to explore space.
Although as a boy I had dreamed about going into space, I had completely forgotten about that until one day I received a call from an astronaut, who suggested that I should join the program.
Army astronauts have a very proud legacy in the astronaut program.
I fully expect that NASA will send me back to the moon as they treated Sen. Glenn, and if they don't do otherwise, why, then I'll have to do it myself.
Everyone in the astronaut program has a degree in a science field. The crew are the ones who do the experiments, help to design some of the experiments that come from other primary researchers. So it becomes very important that you have a science background.
From day one, I have been told I am no different from the male astronauts. As a pilot, I flew in the sky. Now that I am an astronaut, I will fly in space.
Donald Trump's administration is floating a proposal to return to the moon - and to shut down the International Space Station to help pay for it. The first part of this idea is good. The second is horrible.
I get standing ovations at meetings when I say Britain should be involved in human spaceflight. Unfortunately, that goal has been blocked by a handful of people in high office.
I was a graduate student in 1984 when President Ronald Reagan called for the construction of a new space station. I knew then that I wanted to apply for the astronaut program, and this was an exciting development.