§ Mr. D. E. Thomasasked the Secretary of State for Foreign and Commonwealth Affairs, pursuant to the reply 230W to the hon. Member for Meirionnydd Nant Conwy of 29 January, Official Report, columns 334–35, on information made available on technical verification of a nuclear test ban treaty to bodies in the United States of America, if he will list those United States technical authorities with which regular contact on these matters is maintained.
§ Mr. RentonWe are in regular contact with the Departments of both Defence and Energy, in particular the Defence Advanced Research Projects Agency which is the umbrella organisation for research into technical issues relevant to a comprehensive nuclear test ban.