gg cox Did you see this===>> Work on nuclear marine propulsion began in the 1940s, and the first test reactor started up in the US in 1953.
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Nuclear propulsion in aircraft carriers and submarines has been utilized for a significant period, with the first nuclear submarine, USS Nautilus, commissioned in 1955. The first nuclear-powered aircraft carrier, USS Enterprise, followed in 1961.
Elaboration:
Early Development: Work on nuclear marine propulsion began in the 1940s, and the first test reactor started up in the US in 1953.
First Submarine: The USS Nautilus, commissioned in 1955, was the first nuclear-powered submarine.
First Carrier: The USS Enterprise, commissioned in 1961, was the first nuclear-powered aircraft carrier.
U.S. Navy: The U.S. Navy has been a leader in nuclear-powered submarines and carriers, with many more submarines and carriers being commissioned in the following decades.
Global Adoption: Other countries, such as Russia, the United Kingdom, France, China, and India, have also adopted nuclear propulsion in their naval vessels.
Benefits: Nuclear propulsion allows for long periods of operation without refueling and provides a significant advantage in terms of endurance and range. 
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