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South China Sea: Surveillance under the sea: how China is listening in near Guam
Acoustic sensors in waters near US military base in Western Pacific are ‘standard practice’ for monitoring submarine traffic, US analyst says
China has planted powerful listening devices in two strategic seabeds deep in the waters near Guam, America’s biggest military base in the Western Pacific.
The cutting-edge acoustic sensors – some of which have a listening range of more than 1,000km – are being used for scientific research such as studying earthquakes, typhoons and whales, according to the Chinese government.
But security experts say the sensors can also track the movement of submarines in the South China Sea and intercept underwater signals between the submarines and their command base.
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Update #1: Report: China's maritime surveillance extends to Guam (UPI)
Update #2: Beijing’s Underwater Surveillance System Tracks Submarines Near Guam (Sputnik)
WNU Editor: It was a Pakistan news website that first reported the non-military aspects of this story last year .... Chinese scientists hear sound in Mariana Trench, deepest part of world’s oceans (Pakistan Today)