USA
(asked on 3rd November 2014) - View Source
Question to the Ministry of Defence:
To ask the Secretary of State for Defence, what quantity of plutonium has been sent to the US from the UK under the provisions of the 1959 amendment to the 1958 US-UK Mutual Defense Agreement on Atomic Energy Matters in the last 30 years.
This question was answered on 10th November 2014
This information is being withheld for the purposes of safeguarding national security.