Bill Nelson: “The President's alternative plan will actually cost us more money and delay our ability to get ourselves into space.”

What we are going to do is a multi-year test, taking it to different locations all over the United States, and see if the muffled roar is acceptable to the people on the ground.

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…

I would say that there is a significant difference of opinion about that.

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