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Japan to enable foreign-flagged ships to be tapped for emergency fleet

Japan expanding foreign-flagged ship access signals maritime mobilization policy shift.

What happened: Japan plans to treat foreign-flagged ships owned by overseas subsidiaries of Japanese companies as Japanese-flagged vessels as early as fiscal 2027, to widen the range of craft it can mobilize in emergencies. Key numbers: Only 15% of Japan's merchant vessels were registered in the country as of June 2025. Why it matters: The change would expand the pool of ships available for emergency mobilization, addressing the low share of domestically registered merchant vessels.
Japan plans to treat foreign-flagged ships owned by overseas subsidiaries of Japanese companies as Japanese-flagged vessels as early as fiscal 2027, to widen the range of craft it can mobilize in emergencies.
The change would expand the pool of ships available for emergency mobilization, addressing the low share of domestically registered merchant vessels.
Sources