Britain:We're sleep walking into unilateral disarmament

If so, it will not be very much. It is estimated that the replacement of our four existing Trident submarines, which constitute our entire nuclear strike force, will cost around £20billion.
Cutting that number by one might save only £2-3billion, on the basis that by the time you have designed, planned and built three submarines, the fourth costs proportionately less.
Our annual defence expenditure is currently £34billion. Total government annual spending is £630billion and rising, so giving up one submarine would make only a tiny impact.
It might also jeopardise our effectiveness. With three submarines, Britain's nuclear deterrent would be less convincing.

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