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San Francisco`s WW2 U.S. Navy Magnetic Silencing Range, 3. Editorial Photo


San Francisco`s WW2 U.S. Navy Magnetic Silencing Range, 3. Editorial Stock Photo
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San Francisco`s WW2 U.S. Navy Magnetic Silencing Range, 3. #105483459
Description

As ships travel through the water, due to the earths natural magnetic poles, a unique `magnetic signature` is created by the ships. `Enemy` listening devices can then pick up and track the ships movements. This facility on San Francisco Bay, was one of the places ships were able to be `silenced`.

This image is editorial