the Sibir began leading through the ice the Turukhan and the Tersky Bereg vessels, which headed for the Dudunka port. At the entrance to Yenisei Bay, the icebreaker left the Turukhan ship ...

Russia has deployed nuclear-powered icebreakers called Arktika and Sibir, which have been characterized as the largest and strongest icebreaker ships in the world. This isn't the first time alarms ...

"On November 16, the Sibir first serial nuclear-powered icebreaker ... including the steam turbine unit, the ship’s electric propulsion system, and the anchor and steering control.