Summary
THEY are the biggest submarines ever built in Britain - and the most technologically advanced in the world. HMS Astute and HMS Ambush are the Royal Navy's first two Astute Class nuclear-powered subs. Each is 318ft long and will displace 7,400 tons of water ... as much as 62 blue whales.
With a unique life-support system that converts sea water into oxygen and drinking water for the 98 crew members, these leviathans will be capable of travelling under the sea, without surfacing, for 25 years, the lifespan of the nuclear fuel stored in their Rolls- Royce PWR2 reactors.See the full content of this document
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The Wider View
However, they will need to return to the surface to replenish food sup...
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