Over the vast expanse of the South China Sea, a war without gunfire quietly unfolded, its unique impact capturing the world’s attention. On June 30th, a brief yet meaningful tweet from the official Weibo account of China’s Southern Theater Command—“Thick smoke deep in the blue sea, good night”—sparked a massive online reaction, leaving netizens speculating about the secrets behind it.

1 vs. 29: South China Sea Electronic War Ends with US GPS Loss and Retreat

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China-U.S. Electronic Warfare Erupts, Seen as China’s GPS Interference Rehearsal to Counter Land-Based Missiles

It can be said that China’s electronic warfare capabilities are now on par with those of the United States. However, it is noteworthy that almost every medium-sized or larger Chinese vessel is equipped with some level of electronic warfare and electronic countermeasure capabilities, a strength attributed to China’s latecomer advantage and its powerful electrical systems. This is precisely what U.S. warships lack.