Launched from a CCP submarine no doubt.
Russian and Now Red Chinese have used this area to spy on our bases. There is also a rumor or a large undersea base off the coast. Off Mugu Rock. Just a test by the CCP or perhaps a UFO craft getting ready for the invasion.
Launched from a CCP submarine no doubt.
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The CCP is a political party; the PLAN operates naval forces, including subs. The CCP only nominally controls the PLA, PLAN, PLAAF.
Might be the same swarms that gathered near a reactor and another military base - far inland.
More likely a USAF project than something the PLAN might have - we are far ahead of the Chinese in drone tech.