Bill Nelson: “And what are some of those organisms?”

The X-59, which is this extraordinarily super designed needle-nosed aircraft is going to fly at the end of this year.

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

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…