Thoughout the ship, the original World War II heads have been left intact. If you look closely on the left, you can see the toilet paper holders hanging down from the "grab rails". It,s hard to imagine sitting on that thing with 15 other guys and no seat, not to mention having the seawater splashing all around the inside of the trough while you're trying to balance holding onto the side rails.
From
http://www.btcorp.us/mt/2005/03/
Makes going to the "Toilet" Very Interesting.