A coast-delineated zone of coastal state rights over marine resources under the UN Convention on the Law of the Sea
China’s Luyang III-class destroyer has conducted live-fire drills within Japan’s EEZ near Okinotori, while Russia’s presence and joint patrols with China are drawing concern from Tokyo. Officials say the drills, observed during a China-Russia exercise, underscore deepening military cooperation in the region. Authorities are monitoring moves around Japan’s waters and airspace.