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by youngtaff 1074 days ago
> This system, called SOSUS for Sound Surveillance System, remained secret until 1991. The secrecy of SOSUS is no great surprise, as it was one of the most important military intelligence systems of the Cold War.

I grew up in West Wales in the 80s, ‘everyone’ knew that the US Navy staff at RAF Brawdy were monitoring the cables that listened for submarines in the Atlantic