This series of the world’s most powerful nuclear icebreakers has been ordered by Rosatom’s subsidiary Atomflot. The Arktika nuclear flagship was laid down in November 2013 and floated out on 16 June 2016. Construction of Sibir, the next vessel in the series, began on 25 May 2016, followed by the keel laying of another icebreaker – Ural – on 25 July 2016. Developed by Aisberg Design Bureau in 2009, Sibir’s double draft design allows for navigating both in Arctic waters and estuaries of polar rivers. Project 22220 Icebraker characteristics: Length: 173.3 m, Width: 34 m, Capacity: 60 MW, Depth to upper deck amidships: 15.2 m, Designed draft: 10.5 m, Operating draft: 8.55 m, Tonnage: 33,540 t, Estimated service life: 40 years, Crew: 75 people.