How Submarines Can ‘See’ Underwater – Sonar Overview March 15, 2020 Unipro2013main Navy </p> <h2>Sonar Overview</h2> <p> Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.<br /> <br /> Credit to : Covert Cabal</p> <p> Please support our Sponsors -
