From a BBC article on N/S Savannah:
http://www.bbc.com/news/magazine-28439159
http://www.bbc.com/news/magazine-28439159
Other countries considered developing nuclear ships, according to Will Davis of the NS Savannah Association: "Japan announced a nuclear bulk cargo ship study, and of course West Germany built the Otto Hahn as an ore carrier. However, the UK and France both at separate times announced plans to build nuclear-powered ocean liners." The preliminary design for the UK project - dated 2 December 1963 - is pictured above.