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 en.wikipedia.org Submitted by DeadForDecember t3_yfz9r1 on October 28, 2022 at 8:10 PM in todayilearned 41 comments 284
Njt8i945_4 t1_iu8a8v3 wrote on October 29, 2022 at 9:47 AM Exterminly Low Frequency Radio System. Permalink 1
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