>In this case they probably just weren't ordered to built a system that can provide clean water in case of the ship being covered in radioactive snow. I think

>In this case they probably just weren't ordered to built a system that can provide clean water in case of the ship being covered in radioactive snow. I think it's even more likely that they weighed the advantages and disadvantages of each system, and decided that a waste heat desalination system would be a _much_ better fit then a huge, expensive, high maintenance RO system. My point was simply that this was almost certainly an informed decision, not an oversight (or just 'following orders').