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[deleted] t1_iszm1v7 wrote on October 19, 2022 at 9:18 PM

Reply to comment by BobbyP27 in Can a submarine’s sonar pulses be detected and used to pinpoint location of origin? by Leumas404

Each Boat and surface vessel has a noise signature as effective as a fingerprint. The technology has been used for a long time and can program torpedos to select targets.