[ You would have to have some sort of “greenhouse” to grow food
A military crew of only vegans? ]
Build a couple of crab traps into the hull, LOL
I’m still thinking that I don’t want folks willing to be cut off from “civilization” for a couple decades, given the power over a military sub. Even if they they are stable now, they won’t be in a couple decades.
Fun “what if” discussion, more suited for a flight to Mars, far away from the rest of us.