HC Deb 21 November 1978 vol 958 c540W
Mr. Arthur Latham

asked the Secretary of State for Defence if, pursuant to his reply to the hon. Member for Tottenham (Mr. Atkinson) he will outline the system of political control which is used to ensure that the nuclear deterrent is subject to a fail-safe firing mechanism and cannot be employed without the authority of Her Majesty's Government.

Mr. Mulley

It would not be in the national interest to give details.