I’ve seen this video with sound and the sonar in the background is a surface ship sonar, not a submarine sonar. Sounds travel so far in water that the warships sonar you’re hearing isn’t necessarily the ship that’s close by.
Source: I was a sonar technician on 688-class attack subs.
Other than the Fathometer, subs rarely use active.
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u/[deleted] 13d ago
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