Northern Fleet Project 42 and 50 ASW vessels). On 1 April 1961, the division was renamed the 2nd Anti-Submarine Warfare Division. On 1 July 1958, the Northern Fleet raised the Soviet Navy ensign over the first Soviet nuclear submarine, K-3 Leninsky Komsomol. Following the 1958 voyage of USS "Nautilus", the "Leninsky Komsomol" (named for Vladimir Lenin’s Komsomol) traveled under the Arctic ice and surfaced at the North Pole on 17 July 1962. Russian submarines have visited the North Pole region more than 300 times since then. Two nuclear submarines of the Northern Fleet made a journey under the Arctic ice cap and
North Pole-1 North Pole-1 North Pole-1 () was the first Soviet manned drifting station in the Arctic Ocean, primarily used for research. North Pole-1 was established on 21 May 1937 and officially opened on 6 June, some from the North Pole by the expedition into the high latitudes Sever-1, led by Otto Schmidt. The expedition had been airlifted by aviation units under the command of Mark Shevelev. "NP-1" operated for 9 months, during which the ice floe travelled . The commander of the station was Ivan Papanin. On 19 February 1938 the Soviet ice breakers "Taimyr" and "Murman" took four polar explorers