K-440 is a designation for a specific type of submarine used by the Russian Navy. It is part of the Kilo-class submarines, known for their stealth and effectiveness in anti-submarine warfare. K-440 is equipped with advanced sonar systems and can carry a variety of torpedoes and missiles, making it a versatile asset in naval operations. The K-440 submarine is designed for both coastal and deep-sea missions. Its construction emphasizes quiet operation, allowing it to evade detection while conducting surveillance or engaging in combat. This capability makes K-440 an important component of Russia's maritime defense strategy.