The key ones were provided by Klaus Fuchs and Ted Hall.
I suspect that the answer is something along the lines of: "It is not the policy of Her Majesty's Military to confirm or deny the presence of nuclear weapons at or on any of her stations or ships." It would be a violation of the Secrets Act to share such knowledge.
Actually the US after WW2 offered to share everything about nuclear weaponry (the Baruch Plan on June 15, 1946), but the USSR refused the offer (they already had it all anyway through spies).
Luckily we haven't had to have a war to find out. These things are very much state secrets, anyone who is in a position to know would not be allowed to tell you!
Julius and Ethel Rosenburg. They were probably far less guilty than others in that actually worked on the Manhattan Project, they were just couriers.
The duration of Nuclear Secrets is 3600.0 seconds.
Nuclear Secrets ended on 2007-02-12.
Nuclear Secrets - 2007 is rated/received certificates of: Netherlands:12
Nuclear Secrets - 2007 The H-Bomb was released on: USA: 30 August 2007
The Rosenbergs.
Nuclear Secrets - 2007 Superbomb 1-3 is rated/received certificates of: Netherlands:12
Nuclear Secrets - 2007 The Terror Trader 1-5 is rated/received certificates of: Netherlands:12
Nuclear Secrets - 2007 The Spy from Moscow 1-1 is rated/received certificates of: Netherlands:12
Nuclear Secrets - 2007 Vanunu and the Bomb 1-4 is rated/received certificates of: Netherlands:12
Dead Men's Secrets - 2002 Hitler's Nuclear Arsenal - 2.5 was released on: USA: 10 October 2003
passing secrets about nuclear science to the Soviets
The key ones were provided by Klaus Fuchs and Ted Hall.