We're satisfied that the necessary precautions have taken place or we wouldn't launch.

We are taking all necessary precautions.

The shuttle missions that have gone to the station so far have been extremely successful. This mission takes the level of complexity up a notch.

It goes back to, how likely is it that you'll have a defect? Very low. And what is your test experience? Overwhelmingly positive. Then you look at your design, and your design is to be very safe. And you look at those, and it's a compelling story.

We've done all that we can think, as far as testing in a one-G environment and simulating the effects of our (shuttle) maneuvers on the mast. But there is that element of risk that there may be something we didn't get, that we don't quite understand.

This bill is about more than gaming, ... By signing this bill, the state is taking the necessary precautions to provide safety for the casinos and, in turn, is providing jobs for thousands of displaced Mississippi workers.