Naval Submarine Base New London by the Submarine Escape Immersion Equipment in the 2000s. On January 21, 1954 the first nuclear-powered submarine, , was launched from Groton. "Nautilus" became the first vessel to transit the North Pole during a historic trip across the Arctic in 1958. "Nautilus" spent most of her career assigned to Submarine Squadron 10 located at State Pier in New London. It was retired from service in 1980. In 1982 "Nautilus" was designated a National Historic Landmark in Groton. It is permanently moored south of the main gate, attached to the U.S. Submarine Force Museum. Self-guided tours are available to the public
North Pole Marathon North Pole Marathon The North Pole Marathon is run over the classic 42.195 km (26.2 miles) marathon distance at the North Pole. The race is run on small, 4.22 km (2.62-mile) loop about 10 times over hard snow or the frozen ice of the Arctic Ocean. There are individual competitions with male and female divisions, and a team competition for teams of three or more. There is also an option to run a half marathon. The North Pole Marathon has been recognized by Guinness World Records as the "Northernmost Marathon on Earth". The first unofficial North Pole Marathon was a