K-434 is a Russian nuclear submarine that belongs to the Dolphin-class of submarines. It was launched in 1990 and is primarily designed for strategic missions, including the deployment of nuclear missiles. The submarine is equipped with advanced technology for stealth and underwater navigation. The K-434 has a length of approximately 170 meters and can carry a crew of around 100 personnel. It is capable of operating at great depths and has a significant range, allowing it to conduct long-duration missions. The submarine plays a crucial role in Russia's naval defense strategy.