§ Mr. Bestasked the Secretary of State for Defence at what time, how many and what yield of nuclear tests will be necessary by the United Kingdom to test the Trident D5 missile.
§ Mr. Norman LamontIt is not in the national interest to identify the specific purpose of any joint United Kingdom/United States underground nuclear test or the weapon programme it supports.
§ Mr. Hancockasked the Secretary of State for Defence what is the latest estimated cost of the Trident programme.
§ Mr. Norman LamontMy right hon. Friend the Secretary of State for Defence announced an estimate of cost of Trident of £9,285 million at 1984–85 prices and at an exchange rate of £1=$1.38 on 29 January at columns 134–37.