"Yep! It's really useful, and while it's nothing compared to..well, fresh food, it does the trick! They use it for astronaut food too-"

A thought occurs.

"............oh. ...They haven't been to space yet in '38..."

Right well, before he can really dive off on that tangent, he has to rush (heh) to stop Rush from actually eating the pack. "NO-! Don't, that's not safe if it's not prepared properly!!"