Russian Project 677 submarine Kronstadt starts second sea trials.

According to information published by Военный Осведомитель on April 5, 2022, Admiralty Shipyards (part of United Shipbuilding Corporation) has started the second stage of the factory sea trials of the submarine Kronshtadt project 677.
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Project 677 submarine Kronstadt (Picture source: Военный Осведомитель)

Lada class, Russian designation Project 677 Lada (St. Petersburg) is the new advanced class of diesel-electric attack submarine designed by the Russian Rubin Design Bureau.

The submarine is 68 m long and has a submerged displacement of 2,650 t. The submarine features a full underwater speed of 21 knots and a surface range of 6,000 nautical miles at a speed of 7 knots.

The combatant is armed with six 533 mm torpedo launchers and has a 37-strong crew. Unlike underwater combatants of previous generations, the Project 677 submarine can fire cruise missiles in salvo mode against sea targets.

The ship is fitted with a modern combat management system, cutting-edge sonar unit, new anti-sonar coating, and externally mounted extendable subsystems.