K-3 was projected 627 ("kit," meaning "whale"; NATO reporting name "November") submarine of the Soviet Navy's Northern Fleet, the first nuclear submarine of the Soviet Union. The first of the class was the Leninskiy Komsomol, or simply K3. She was built in Molotovsk, launched on 9 August 1957, commissioned in July 1958, and homeported at Zapadnaya Litsa on the Kola Peninsula. It was the first submarine of the Soviet fleet to navigate to and surface at the North Pole. She was armed with both conventional and nuclear-tipped torpedoes. The November class boats were plagued with reactor problems and several reactor accidents occurred while on patrol. K3 has been preserved as a memorial to the lost crews. The remaining survivors are now radioactive hulks in Russian ports.