Because it no longer rules the waves, and will be hard pressed to defend its shores:
Royal Navy commanders were in uproar yesterday after it was revealed that almost half of the Fleet's 44 warships are to be mothballed as part of a Ministry of Defence cost-cutting measure.
Senior officers have said the plans will turn Britain's once-proud Navy into nothing more than a coastal defence force.
....MoD sources have admitted it is possible that the Royal Navy will discontinue one of its major commitments around the world at a time when Sir Jonathon Band, the First Sea Lord, has said more ships are needed to protect the high seas against terrorism and piracy.
And, Horatio Nelson must be rolling in his grave:
Meanwhile the French navy, which will be far superior to the Royal Navy after the cuts, will announce before the April presidential elections that a new carrier will be built.