Its these islands that they mention... What is the thing Xi had said... reunification by 2030 or something? Makes sense Japan would move now to protect its citizens.
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This is just a strategic move to be ready if China escalates to Taiwan.
If China does so, Japan is left with no other choice than to retaliate with US/NATO to stop Chinese aggression. So, the most affected part would be the adjacent to Taiwan. So, Japan is getting ready for my situation before a any serious breakout.
Still, I believe that China won't escalate as of now,
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