Jim Bridenstine: “I believe that the IRS is such a corrupt and rotten and broken agency that it cannot be salvaged.”

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

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.

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

NASA is doing a lot of things, I think, rightly, that are accelerating processes.