Sometimes, in relief missions like after big earthquakes. More often they use the onboard desalination plants (also nuclear powered) to make lots of fresh wate

Sometimes, in relief missions like after big earthquakes. More often they use the onboard desalination plants (also nuclear powered) to make lots of fresh water. e.g. https://www.militarynews.com/norfolk-navy-flagship/oceana/news/carl-vinson-begins-humanitarian-operations-in-haiti/article_2a3e4389-eaab-5570-b6c2-31ede28491c9.html https://www.militarynews.com/norfolk-navy-flagship/oceana/ne...