Japan builds up its ‘southern shield’ as faith in US security cover falters

Japan is pushing the legal limit of ‘defence’ as it faces its ‘most severe and complex security environment’ since 1945.

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Taipei, Taiwan — Japan’s southern island of Kyushu is known for its volcanic landscape and tonkatsu ramen, but the popular tourist destination is ground zero for one of the greatest shifts in Japan’s defence strategy since 1947, when it formally renounced the use of war to settle international disputes.

In late March, Japan deployed long-range missiles to Kumamoto Prefecture on the island’s southwest coast. Unlike previous defence installations, these missiles could hit China, reflecting the fact that Beijing has ranked as Japan’s top national security threat above North Korea and Russia since 2019.