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TenBillionDollHairs t1_j9zgstk wrote

Military sonar, not ground mapping sonar. Vastly more powerful and literally causes fatal internal bleeding in whales.

To be clear, the fish finder radar under a boat is not what we're talking about. We're talking about the extremely powerful "pings" used to find submarines. This is even painful or fatal for humans if they are near a sub when a ping goes out.

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currently__working t1_ja2ms4j wrote

Is there proof?

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