Icebreaker
In May 2007, sea trials were completed for the nuclear-powered Russian icebreaker NS . The vessel was put into service by Murmansk Shipping Company, which manages all eight Russian state-owned nuclear icebreakers. The keel was originally laid in 1989 by Baltic Works of Leningrad, and the ship was launched in 1993 as NS "Ural". This icebreaker was intended to be the sixth and last of the "Arktika" class, and currently is the world's largest icebreaker.
Vitus Bering (icebreaker)
"Vitus Bering" is long overall. Her hull has a moulded breadth of and depth of to upper deck. When loaded to a draught of , the deadweight tonnage of the ship is 4,158 tons. The four Wärtsilä diesel generating sets — two twelve-cylinder 12V32 and two six-cylinder 6L32 engines — have a combined output of and provide power for all shipboard consumers, including two 6.5 MW ABB Azipod VI1600 propulsion units. A double acting ship, "Vitus Bering" is designed to be able to break ice both ahead and astern. She is capable of operating in ice up to thick and maintain a speed of in level ice with a thickness of . Her ice class, assigned by the Russian Maritime Register of Shipping, is "Icebreaker6".