Jim Bridenstine: “Are you aware that the EPA believes that coal-fired power plants can improve efficiency by as much as six percent?”

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

I do think this goes back to Representative Cartwright's question regarding kind of new approaches.

I think, Mr. Ranking Member, that would put us in a position to make landing in 2024 very, very difficult.

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