That would be my first guess.
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Here are a couple of pics I took in the WW2 era sub USS Pampanito.
Front torpedo room
https://www.aulro.com/afvb/images/im...12/05/1534.jpg
Rear torpedo room (didn't know subs had rear facing topedos)
https://www.aulro.com/afvb/images/im...12/05/1535.jpg
Notice how there are sleeping bunks on top of the torpedos.
I've been told that on our older OBERON class, the beer ration was stored in the aft torpedo tube(s).
Remember those ? - the ones that did'nt seem to have the 'Warranty' or noise or leaking or reliability problems of our Collins Class...
Found while looking at Keith Haring art images.
https://www.aulro.com/afvb/images/im...12/05/1372.jpg
[ame=http://www.youtube.com/watch?v=L5LaINY1EIE&feature=player_embedded]MOUNTAINBIKE SPEED WORLD RECORD - YouTube[/ame]