Bill Nelson: “It is hard to believe that it has been 4 years since a disaster of major proportions.”

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…

Yes, ma'am, and let me give you a specific answer to your question.

It is critical that NASA remain focused on its core mission.

NASA has proven we are serious as a defender of the planet.