HC Deb 05 February 1985 vol 72 c512W
Mr. Boyes

asked the Secretary of State for Defence what are the costs of the Chevaline improvement to the Polaris system.

Mr. Butler

The Ministry provided the Public Accounts Committee in 1981 (ninth report, 1981–82 Session) with an estimate for the Chevaline programme of about £1,000 million (including actual sunk costs and projected costs at September 1980 price levels). On a similar basis, but with projected costs at current prices, the estimate is now about £1.030 million.

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