Here is some information about nuclear voyages
50 Years of Victory - the largest nuclear-powered icebreaker in the world | Quark Expeditions
Ship Information - The Most Powerful Icebreaker in the World
The only way to get to the North Pole in safety, comfort and style is aboard a specially equipped ship - and have we got a ship for you! 50 Years of Victory is the largest nuclear-powered icebreaker ever launched, capable of crushing through the toughest pack ice the Arctic Ocean can dish up.