Every day is different. It's I explain it like being in grad school with just a more physical component to it. We have this huge pool that has a one-to-one scale of the space station in Houston and learning because we don't have in a way to emulate zero gravity on Earth obviously. You learn geology, we go on trips to learn about various aspects of rock formations,. How they form, why they form, what's important because this is all relevant. If we go to Mars, we go to the Moon, we may not be able to bring the subject matter experts. But we need to know and understand so that we can make effective use of the time we