Japan’s Defence Ministry says a Chinese Navy J-15 fighter operating from the aircraft carrier Liaoning intermittently locked its fire‑control radar on two Air Self‑Defense Force F‑15s over international waters southeast of Okinawa on December 6, in two separate incidents lasting about three minutes and then roughly 30 minutes. Defense Minister Shinjiro Koizumi, standing alongside visiting Australian counterpart Richard Marles in Tokyo, said Japanese jets had scrambled against a possible airspace violation, condemned the radar illuminations as exceeding what is needed for safe flight, and lodged a strong protest with Beijing. Watch for details