USS Nautilus (SSN-571) Nuclear Landmark. Visitors may tour the forward two compartments, with guidance from an automated system. Despite similar alterations to exhibit the engineering spaces, tours aft of the control room are not permitted due to safety and security concerns. USS Nautilus (SSN-571) USS "Nautilus" (SSN-571) was the world's first operational nuclear-powered submarine and the first submarine to complete a submerged transit of the North Pole on 3 August 1958. Sharing names with Captain Nemo's fictional submarine in Jules Verne's classic 1870 science fiction novel "Twenty Thousand Leagues Under the Sea", and named after another that served with distinction in World War
Jules Verne "Voyages extraordinaires" series continued for several years afterwards at the same rate of two volumes a year. It was later discovered that Michel Verne had made extensive changes in these stories, and the original versions were eventually published at the end of the 20th century by the Jules Verne Society (Société Jules Verne). In 1919, Michel Verne published The Barsac Mission (), which original drafts contained references to Esperanto, language about which his father had great interest. In 1989, Verne's great-grandson discovered his ancestor's as yet unpublished novel "Paris in the Twentieth Century" which was subsequently published in 1994. Verne's