Japan Debates Emergency Port Calls by Nuclear-Armed US Ships to Bolster Deterrence

Tokyo is weighing whether to permit emergency port calls by nuclear-armed U.S. vessels to strengthen the credibility of the U.S. nuclear umbrella under its 'denial defense capabilities' strategy. The debate reflects a shift in Japan's deterrence posture, though no policy change has been confirmed. The outcome could signal a significant evolution in Japan's stance on nuclear weapons and alliance burden-sharing.

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