As a ship designed for disaster recovery they are very interesting, as they can provide power, clean water, food, medical care and basic services for a city, and they can travel rapidly, but only access costal cities.
[1] https://www.dvidshub.net/image/252518/soldiers-bring-fresh-c...
> One of the great benefits of a nuclear-powered aircraft carrier is that we were able to proceed at 30 knots for two full days to arrive on station,” said Carl Vinson Commanding Officer, Capt. Bruce H. Lindsey. “Our flexibility, speed and sustainability enable us to immediately begin the relief efforts.” — MC1 Jason Thompson, militarynews.com, Jan 21, 2010 [2]
[2] https://www.militarynews.com/norfolk-navy-flagship/oceana/ne...