text:  To say that there's a big question, there's so many big questions that I actually can't even encompass them all or even think about them all at the same time. So many groups at NASA had a piece of the pie, so to speak, where they were actually putting elements into the design that was, again, fully integrated across all of these groups to really ask questions about many aspects of how people will do when they go on long-term missions in space.