And we're approaching that with a great deal of care.

We've had 10 poles, we've won four races - that's more than anybody else has.

There are a total of 34 ice frost ramps on the external tank.

We've been concentrating ... on the foam application, so we've put a lower priority on the engine cutoff sensor, but it has been on the list of things to do.

If we had a catastrophic failure with Discovery, we'd need to figure out how to prevent that same problem from occurring on Atlantis.

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