China Coast Guard Tests Jurisdiction Narrative Inside Japan’s EEZ Near Yonaguni
Reporting cited by The Diplomat says Japan detected a China Coast Guard vessel operating in Japan’s EEZ south of Yonaguni on June 9, 2026, with the CCG describing its activity as a routine patrol while asserting Chinese jurisdiction. The episode signals a potential shift toward sustained operational normalization and legal signaling, with Beijing linking its stance to Japan–Philippines maritime delimitation talks and broader UNCLOS interpretations.