Jim Bridenstine: “We are doing the all-woman space walk here in a matter of days. We are very excited about it.”

The only rocket that is going to be available to take humans by 2024 is the SLS rocket with the Orion crew capsule.

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.

The more launches, the more one of them could have, you know, a problem.

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