Russia has started the construction of the...

"The work on the sub construction effectively started last year," he said.

It was previously reported that construction of the Project 955 Svyatitel Nikolai (St. Nicholas) submarine at the Sevmash shipyard in the northern Russian city of Severodvinsk was delayed from December 2009 until the first quarter of 2010.

Russia"s newest Borey-class strategic nuclear submarine, the Yury Dolgoruky, which is expected to be armed with the new Bulava sea-launched ballistic missiles (SLBM), is currently undergoing sea trials.

The vessel is 170 meters (580 feet) long, has a hull diameter of 13 meters (42 feet), a crew of 107, including 55 officers, a maximum depth of 450 meters (about 1,500 feet) and a submerged speed of about 29 knots. It can carry up to 16 ballistic missiles and torpedoes.

Construction costs totaled some $713 mln, including $280 mln for research and development.

Two other Borey-class nuclear submarines, the Alexander Nevsky and the Vladimir

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