Jim Bridenstine: “It is--it's a very challenging issue that, you know, we have delays, we have these challenges, and it seems the only…”

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

Having a Gateway in orbit around the Moon is important for a lot of reasons.

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.

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.