Built Quote by Robert Crippen

The vast majority of the shuttle program was a success. We learned so much about how a reusable spacecraft interacts with its environment, how…

— Eileen Collins

It's pretty amazing to me that we have had a space shuttle program that's lasted for 30 years - for one space shuttle. That's…

— John M. Grunsfeld

I think the Space Shuttle is worth one billion dollars a launch. I think that it is worth two billion dollars for what it…

— Pete Conrad

We have lost one shuttle for every 57 flights and that is not a good ratio. I do believe we need to continue space…

— Lincoln Davis

The space shuttle was designed, at least in part, to broaden our knowledge of the universe. To scientists, the vehicle was a tool; to…

— Henry Petroski

When I was in high school we had the first shuttle launch, and it reinvigorated my enthusiasm for the space program. I was in…

— Shannon Walker

The space shuttle is a better and safer rocket than it was before the Challenger accident.

— Sally Ride

I always admired the U.S. as the country of the space shuttle, of technological achievement.

— Santiago Calatrava

Having three operational vehicles in the fleet affords the shuttle program great schedule flexibility as we move toward flying safely and completing the international…

— Wayne Hale

It would be sad if the expertise built up during the 40 years of the U.S. and Russian manned programmes were allowed to dissipate.…

— Martin Rees

I've had a chance to fly a lot of different airplanes, but it was nothing like the shuttle ride.

— Chris Hadfield

It's unfortunate, but I know it's the right thing to do to end the shuttle program. If we want to do other things, we…

— Shannon Walker