The nuclear-powered Dmitry Donskoi is a fourth generation, strategic missile launching submarine of the 941 "Akula" class, a navy spokesperson told the ITAR-TASS news agency.

It was tested in June 2002 and will be put in service after testing of new armaments.

The second is the Saint Petersburg, a fourth generation diesel-electric torpedo submarine of the 677 "Lada" class.

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