Wouldn't it be much easier than to put micro reactors on a ship directly? Like on Russian icebreakers that can function on one load of fuel for 3 or 5 years, don't remember exactly but at least 3 years for sure.
Containers in general as well as palletization dramatically improved the economics and port efficiency around the world.
Using containerized energy that can be offloaded and charged and swapped at ports is much more efficient way to spread the cost and infrastructure and safety around the world.
There are many ports where you really don't want any form of radiation/nuclear materials available.
