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...ture of a new submarine type. While certain MASINT subdisciplines, such as sonar, are familiar, the "MASINT mindset" that considers the full range of techno ...oduce their own antisubmarine warfare sensors, such as hydrophones, active sonar, magnetic anomaly detectors, and other hydrographic sensors that are freque

...emphasized the electromagnetic spectrum, there are also both active (e.g., sonar) and passive (e.g., hydrophone and microbarograph) acoustic sensors.

...nder of the U.S. Coast Guard 165 foot patrol boat Icarus, spotted U-352 on sonar, out-smarted German commander Hellmut Rathke, and using depth charges disab

# [[Sonar]]

...World War, but development actively continued. The more common term became sonar, for "sound detection and ranging". In modern intelligence terminology, ac Destroyers now were the primary antisubmarine warfare weapons, with active sonar as their primary sensor, supplemented with passive listening, and radar det

...Remote Minehunting UUV System; [[AQS-20|AN/AQS-20A]] towed mine-detecting sonar and sensors; the Organic Airborne Surface Influence Sweep (OASIS); the Airb

...capture. They obtain information about the surrounding world by emitting sonar chirps and then listening for the echoes. Their brains are highly speciali

...targets identified were revisited, holes drilled in the ice, and side-scan sonar booms lowered, but none of the magnetic targets turned out to be the ships'

...targets identified were revisited, holes drilled in the ice, and side-scan sonar booms lowered, but none of the magnetic targets turned out to be the ships'