HC Deb 12 March 1980 vol 980 c576W
Mr. Newens

asked the Secretary of State for Defence what are the economics that will be made in the replacement of the Polaris nuclear deterrent; and if he has decided that a fifth missile submarine can no longer be envisaged.

Mr. Pym

We have not yet reached a decision on a replacement for the Polaris force, but cost is one of the main factors in our examination of the options.

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