Right now, there’s at least one nuclear-power, nuclear-armed submarine stealthily patrolling the waters off the UK. The sub is powered by a nuclear reactor, so it can cruise undetected for over 20 years without refuelling. Oh, and it’s also armed with eight nuclear warheads — each six times more powerful than the atomic bomb dropped on Hiroshima. Since 1969, the Royal Navy has kept at least one of these fission-powered submarines in the water at all times. The vessels are the backbone of Britain’s nuclear deterrent and send a giant warning to other nations who might get funny ideas. Rolls-Royce…
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