From the big red ships that seamen call their "knights" to the smaller white ships that can enter frozen river estuaries, Russia's icebreakers pave the way through the frozen arctic for commercial vessels and military convoys, allowing passage between Russia's European ports and the Pacific. They are a reliable and indispensable addition to any trans-Arctic ocean voyage. Join RT as we team up with the crew of one of these amazing nuclear-powered vessels as it traverses the top of the world.