Petersburg shipyard tests new generation submarine

The St. Petersburg-based Admiralty Shipyard has begun sea trials of a fourth-generation Project 677 Lada class diesel-electric submarine, according to the company’s press office.

During the next few months, the submarine, called ?St. Petersburg?, will undergo manoeuvrability and submersion tests and operations in extreme conditions. After completion of the tests, the submarine will be transferred to the Russian Navy.