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Nuclear-powered submarines also took almost one-third of the Navy's shipbuilding funds between 1952 and 199119% for fast attacks, 12% for boomersand, at peak strength, comprised just under one-third of the U.S. Navy's fighting fleet. Although submarines cost relatively more than surface ships to buy, they are cheaper to operate. Not only do submarines have smaller crews, the purchase price includes the cost of fuel. Nuclear-powered submarines steam for years between refuelings while conventionally powered warships must refill their fuel tanks every few days. |
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