> "New toilets on the Navy’s two newest aircraft carriers clog so frequently that the ships’ sewage systems must be cleaned periodically with specialized acids costing about $400,000 a flush, according to a new congressional audit outlining $130 billion in underestimated long-term maintenance costs."
> ...
> “The pipes are too narrow and when there are a bunch of sailors flushing the toilet at the same time, like in the morning, the suction doesn’t work,” said Oakley. “The Navy didn’t anticipate this problem.”