"There are a couple of possibilities for our next mission. Might be forty days, might be seventy, might be breaking down this base entirely. I expect I will be more precise tomorrow."

[I think water just packs really well--the combined refrigerator and freezer space in a standard fridge is between 1 and 1.5 cubic meters.

I am assuming that Cheris and Sasha are the only people in this multiverse who don't mind living on ration bars!]