Jim Bridenstine: “Let us be clear. This was a treaty, and the President did not submit it for ratification.”

If we are putting American astronauts on those vehicles, without question, it is not just up to them, it is up to us as well.

When we use different types of rockets, we have dissimilar redundancy.

I think at this point we are in good shape.

Here's what we know: China is not going to slow down. That means that we, as a country, need to come together, figure out what the architecture is, be committed to a process and then move forward as rapidly as possible.