The secretive world of naval underwater surveys rarely breaks the surface. Now recent events are briefly shining a light into the darkness. In the Adriatic a Croatian fishing vessel caught one of the U.S. Navy’s undersea sensor systems last week. That mysterious object has largely been explained. Meanwhile, China has held an award ceremony for fishermen who alerted authorities after discovering similar devices in their nets. The devices may have been operating in international waters, but still in China’s back yard as they see it. We can infer that some of these devices may also belong to the U.S. Navy.
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WNU Editor: Someone or someones have been active near Chinese waters ….
…. This year 11 fishermen were rewarded for handing over unidentified underwater vehicles which they had found. The number of devices was not reported, but in 2018 nine were handed over.
Update: Why are Chinese fishermen finding so many ‘submarine spies’? (Owen Amos, BBC)