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International relations

U.S. poised to extend Japan security umbrella into space

Expanded defense coverage would protect satellites vital to military operations

Satellites play a key role in Japan's defense capabilities, including readiness for a Taiwan contingency. (Photo courtesy of iQPS)

TOKYO -- The U.S. is finalizing plans to extend its security umbrella for Japan into space, seeking to protect satellites crucial in military surveillance and operations, Nikkei has learned.

The expanded protection would be covered by Article 5 of the U.S.-Japan security treaty, which obligates Washington to defend Japan if territory under its administrative control is attacked. Japan's satellites would be deemed as under such control.

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