I can't say I know much about ships or naval life, but those berths look so small and uncomfortable with a lot of places for your arms to get caught or places t

I can't say I know much about ships or naval life, but those berths look so small and uncomfortable with a lot of places for your arms to get caught or places to bump your funnybone off of. And those lockers look so skinny! Do you just hang one hanger in there with one pair of clothes on it?