Russian nuclear-powered icebreaker operating company Atomflot has accepted into service its latest vessel, the Sibir. This is the second of the five Project 22220 icebreakers ordered by the company, from the Baltic Shipyard, in St Petersburg, Russia. The Project 22220 vessels are the largest nuclear powered icebreakers ever built, displacing reportedly about 33 500 deadweight tons (dwt) each. (Dwt is a measure of how much weight a ship can carry; it is a standard that is particularly applied to merchant ships.) The lead ship in the class, Arktika, entered service in late 2020.
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