this is an incredible example of the interlinking of humans and machines, to accomplish great things.

Hey guys, I wish I were up there with you.

This is really an incredible amount of talent, and also, talent and dedication and courage and diligence.

we thought that that was going to be three dead men on the way when that explosion occurred on the way to the moon, and yet that incredible team, on the ground, working with the astronauts in real-time, who's lives were on the line, we…

It is extraordinary that you can take humans and machines and put them together and make them do wondrous things.

We had a unique opportunity... to craft a COTS-D plan that would have funded the program at the level that the folks needed.

So the start date is not a problem. It is entirely dependent upon the length of time that the Shuttle flies.

I am dismayed and frustrated by the proposed out-year budget levels, particularly in the Exploration account.

Is that IOC date still based on that confidence level?

But you would never sacrifice any question of safety to get those six off.

What we are going to increasingly do with this new administration is hold NASA accountable.