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A submarine, theoretically, can go as long as the food for its sailors last. A submarine can make oxygen, distill water, remove CO2 and other pollutants, and provide almost anything needed to survive at sea and underwater for nearly an indefinite period of time. Modern nuclear-powered submarines' reactors will last without refueling for the life of the submarine - about 20 years. In 1960, the nuclear-powered submarine USS Triton circumnavigated the globe submerged.
22 hours
2.35 hours
A submarine, theoretically, can go as long as the food for its sailors last. A submarine can make oxygen, distill water, remove CO2 and other pollutants, and provide almost anything needed to survive at sea and underwater for nearly an indefinite period of time. Modern nuclear-powered submarines' reactors will last without refueling for the life of the submarine - about 20 years. In 1960, the nuclear-powered submarine USS Triton circumnavigated the globe submerged.
For Safety Checks and Refueling
A foot long submarine sandwich is 0.000189393939 miles long.
60 ft
Around the earth once before it needs refueling.
An average submarine is about 300 feet long.
Commercial jets can fly as much as 16,600 kilometers without refueling. That is, about a 19 hour long flight.
at least four minutes.
2 hours.