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                                              Today@VOA
                                                     No.781
"On September 30, 1954, the first nuclear-powered submarine, the USS Nautilus , is commissioned in Groton, Connecticut."    
"1954  September 30  USS Nautilus-world’s first nuclear submarine-is commisioned-HISTORY"    
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USS Nautilus (SSN-571)-Wikipedia"   "USS Nautilus (SSN-571)-Images"  
            
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On This Day in American History
On September 30, 1954, the first nuclear-powered submarine, the USS Nautilus , is commissioned in Groton, Connecticut. The submarine was much bigger than previous, diesel-powered submarines and could stay submerged for nearly unlimited periods of time as nuclear reactors do not require air to work. Nautilus first ran on nuclear power on January 17, 1955, and soon began to break records such as being the first sub to travel under the North Pole. The sub was decommissioned in 1980 after traveling over 500,000 miles during its lifespan.

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"1954  September 30  USS Nautilus-world’s first nuclear submarine-is commisioned-HISTORY"
The USS Nautilus, the world’s first nuclear submarine, is commissioned by the U.S. Navy.
The Nautilus was constructed under the direction of U.S. Navy Captain Hyman G. Rickover, a brilliant Russian-born engineer who joined the U.S. atomic program in 1946. In 1947, he was put in charge of the navy’s nuclear-propulsion program and began work on an atomic submarine. Regarded as a fanatic by his detractors, Rickover succeeded in developing and delivering the world’s first nuclear submarine years ahead of schedule. In 1952, the Nautilus‘ keel was laid by President Harry S. Truman, and on January 21, 1954, first lady Mamie Eisenhower broke a bottle of champagne across its bow as it was launched into the Thames River at Groton, Connecticut. Commissioned on September 30, 1954, it first ran under nuclear power on the morning of January 17, 1955.

Much larger than the diesel-electric submarines that preceded it, the Nautilus stretched 319 feet and displaced 3,180 tons. It could remain submerged for almost unlimited periods because its atomic engine needed no air and only a very small quantity of nuclear fuel. The uranium-powered nuclear reactor produced steam that drove propulsion turbines, allowing the Nautilus to travel underwater at speeds in excess of 20 knots.

In its early years of service, the USS Nautilus broke numerous submarine travel records and in August 1958 accomplished the first voyage under the geographic North Pole. After a career spanning 25 years and almost 500,000 miles steamed, the Nautilus was decommissioned on March 3, 1980. Designated a National Historic Landmark in 1982, the world’s first nuclear submarine went on exhibit in 1986 as the Historic Ship Nautilus at the Submarine Force Museum in Groton, Connecticut.
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