Jim Bridenstine: “There is nobody who has had a conversation with me about launching in early 2020 for any reasons other than the fact…”

I think there is a concern that I have heard and the concern is schedule pressure.

I think at this point we are in good shape.

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.