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TacTurtle t1_iu6b933 wrote

Reply to comment by SublimeMudTime in TIL that in 1968 the US Navy proposed turning 2/5ths of Wisconsin into a giant underground radio antenna so orders could still be sent to submarines following a nuclear attack on America by DeadForDecember

There is one in Alaska and one in [REDACTED]

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ramriot t1_iu7fgyu wrote

Canada & Hawaii, though the former is apparently no longer used.

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