Bill Nelson: “Now, if you're talking about the layer, such as Aegis, the answer to that is yes.”

It is a real problem, and we are going to have some catastrophic consequences if we cannot get nations that are launching things into space to provide enough fuel to have a controlled reentry.

All of us have a responsibility to protect our home planet. After all, it's the only one we have.

It will fly supersonic but its design is such a radical design, that instead of pushing the bow wave going through the atmosphere, as you go from subsonic to supersonic, which causes that audible sound that goes 'boom, boom,' it will…

This time, even on the first crew, the ones that are coming here to Capitol Hill today, our first international astronaut is Jeremy Hansen.