Arktika-class icebreaker
The "Arktika" class is a Russian (former Soviet) class of nuclear-powered icebreakers. Formerly known as "Project 10520 nuclear-powered icebreaker", they were the largest and most powerful icebreakers until the 2016 launch of the ship named Arktika. Ships of the "Arktika" class are owned by the federal government, but were operated by the Murmansk Shipping Company (MSCO) until 2008, when they were transferred to the fully government-owned operator Atomflot. Of the ten civilian nuclear-powered vessels built by Russia (and the Soviet Union), six have been of this type. They are used for escorting merchant ships in the Arctic Ocean north of Siberia as well as for scientific and recreational expeditions to the Arctic.
RV Kronprins Haakon
With a length of , beam of and draft of , "Kronprins Haakon" is the largest Norwegian icebreaker ever built despite being slightly shorter than "Svalbard", the 6,375-ton icebreaking offshore patrol vessel operated by the Norwegian Coast Guard. The research vessel has accommodation for 55 personnel in 38 cabins, including a crew of 15–17. She is equipped with hangar for two small to medium-sized helicopters, but the helipad in the bow is strengthened also for the heavier helicopters such as NHIndustries NH90 operated by the Norwegian Coast Guard and Eurocopter AS332 Super Puma search and rescue (SAR) helicopters based in Svalbard.