What's it like on a submarine?

I've always wondered what its REALLY like to live and work on a submarine. The kind where there's 75 or more personnel. How do you vent 'bathroom' odors? What do you do with the bathroom 'collection'? How's the food? Are you allowed to smoke? Is it noisy? How do you deal with... show more I've always wondered what its REALLY like to live and work on a submarine. The kind where there's 75 or more personnel. How do you vent 'bathroom' odors? What do you do with the bathroom 'collection'? How's the food? Are you allowed to smoke? Is it noisy? How do you deal with personality clashes? How long are you on the sub at a stretch? Please also give your country of origin (if you can - I know, security and all).
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