Bill Nelson: “This means that action trumps studies on paper.”

There are, in fact, private companies that are getting into the business now of supersonic transports, but they do not have this characteristic.

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.

When we find those, by the way, not only looking for life, we start to understand their development, and we better understand who we are, why we are here, how we got here, and all of this evolution of the cosmos.

Our seed corn is research and development. We do not want to ever give that up, and that is the mission of NASA.