Japan reports two ‘lock on’ incidents near Okinawa as advanced radar technology blurs the line between routine tracking and a hostile threat. Here’s everything you need to know.

Japan has lodged a formal protest with China after two Chinese Navy J-15 fighter jets , operating from the aircraft carrier Liaoning , repeatedly conducted radar lock-on against Japan Air Self-Defense Force F-15 s flying air defense identification zone (ADIZ) missions southeast of Okinawa on Dec. 6, 2025. According to the Ministry of Defense, the incidents occurred twice within a three-hour window and is considered a dangerous act well beyond what is necessary to ensure safe flight operations in international airspace. Contents Japan reports two ‘lock on’ incidents near Okinawa as advanced radar techn

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