K-436 is a Russian nuclear submarine that belongs to the Project 667BDR class, also known as the Delta III class. It was launched in 1984 and is designed for strategic deterrence, capable of carrying ballistic missiles. The submarine operates under the Russian Navy and plays a crucial role in the country's nuclear triad. The K-436 is equipped with advanced sonar and navigation systems, enhancing its stealth and operational capabilities. It can remain submerged for extended periods, making it a vital asset for maritime security. The submarine reflects the technological advancements of its time and continues to be an important component of Russia's naval forces.