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
Road to the North Pole a Santa's Village amusement park. Soon discovering the charade, Stewie threatens to shoot Brian if he does not take him to the real North Pole. Stewie hitches a ride with a trucker and so Brian follows him all the way to Canada. On the way, Stewie accidentally causes a traffic pileup by discharging a flare pistol in the cab of the truck, which catches fire and explodes. Crashing his car in a chain reaction, Brian becomes angry and tells Stewie that Santa does not exist. Stewie becomes frustrated and continues to attempt to hitchhike, coercing Brian to join him. The