New Submarine to Russian Baltic Fleet
Project 636 Kilo submarines were nicknamed Black Holes by U.S. Navy personnel due to their quietness. The vessel is believed that includes some of the most advanced features of Russian submarine technology. These third-generation platforms are driven by diesel-electric propulsion and are described as the most noiseless in their class.Russian Navy also continuously deployed three Project 636.3 submarines in the Black Sea fleet after the invasion of Ukraine began.