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Nuclear Weapons (Radioactive Fallout)

Volume 76: debated on Wednesday 3 April 1985

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asked the Secretary of State for Defence what information he has as to the known lowest altitude at which nuclear weapons can be safely detonated in space so as to avoid self-contamination by radioactive fallout.

I regret that it is not possible to answer this question since we have no definition of the phrase "safely detonated in space" nor the word "self-contamination". If the hon. Gentleman wishes to write to me, I will endeavour to send him a full reply.