When you’re getting ready to launch into space, you’re sitting on a big explosion just waiting to happen.

After the Challenger accident, NASA put in a lot of time to improve the safety of the space shuttle to fix the things that had gone wrong.

When you're getting ready to launch into space, you're sitting on a big explosion waiting to happen.

The food isn't too bad. It's very different from the food that the astronauts ate in the very early days of the space program.

I slept just floating in the middle of the flight deck, the upper deck of the space shuttle.

The thing I'll remember most about the flight is that it was fun. In fact, I'm sure it was the most fun that I'll ever have in my life.