If you just need to have one hour and how much game would you need? But if you just went out there for four hours, you need something that's smaller. Is there engineering ways of like having that much skin and being able to laying it out efficiently? Like is there sounds absurd, but you could roll it up. It would be or you could just lay outside longer. And I described that because we'd need other ways to think about making your own energy if you're on a really long mission far from stars.