History of submarines few years before the US, and paralleled subsequent US development in this area. In the 1950s, nuclear power partially replaced diesel-electric propulsion. The sailing of the first nuclear-powered submarine, the USN ""Nautilus"" in 1955 was soon followed by similar British, French and Russian boats. Equipment was also developed to extract oxygen from sea water. These two innovations, together with inertial navigation systems, gave submarines the ability to remain submerged for weeks or months, and enabled previously impossible voyages such as the crossing of the North Pole beneath the Arctic ice cap by the USS "Nautilus" in 1958. Most of the
Freddy Goes to the North Pole Freddy Goes to the North Pole Freddy goes to the North Pole (1930) (formerly published as More To and Again) is the second of the Freddy the Pig books written by Walter R. Brooks. It tells of how the animals of the Bean Farm went to rescue some of their animals friends who went on an expedition to the North Pole. In the beginning, Freddy had the idea to establish a tourism company called Barnyard Tours Inc. The animals agreed, and the company was formed. Animals could pay for a tour with food, or by doing work for Mr. Bean.