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
Submarine Force Library and Museum 1997 the Committee decided to start planning and raising funds for a addition to the museum building. Fundraising started the next year, and construction project ran from 1998 to early 2000. The new addition was officially opened to the public on April 28, 2000 "in conjunction with the Centennial Celebration of the United States Submarine Force", according to the museum. The museum has 33,000 artifacts, including the first nuclear-powered submarine in the world, the . Launched in 1955 and decommissioned in 1980, the submarine had traveled under the polar ice cap and reached the North Pole during the Cold War.