K-438 is a Russian submarine that belongs to the Project 877 Paltus class, also known as the Kilo-class. This class of submarines is designed for anti-submarine warfare and can operate in both coastal and deep-sea environments. K-438 is equipped with advanced sonar systems and torpedoes, making it a formidable asset for the Russian Navy. The Kilo-class submarines, including K-438, are known for their stealth capabilities and relatively quiet operation. They are often used for various missions, including surveillance, reconnaissance, and training exercises. The K-438 has been an important part of Russia's naval strategy since its commissioning.