Re:Deep underwater, submariners are likely unaware of pandemic
by Animats on Monday March 30, 2020 @06:55PM
(#22733024)
Sefton Delmer, who was behind that, went much further. Listen to this old BBC radio show about it. [1] Start at 30:55 for the intrusion operation. They did replace German radio stations in-place as they shut down due to air raid warnings.
[1] https://ia800108.us.archive.org/9/items/OperationAspidistra/...