Maritime flashpoints: Taiwan Strait, South China Sea, East China Sea, and Arctic; PLA Navy modernization; China-Russia military coordination
China escalates gray-zone pressure: second coastguard rotation east of Taiwan normalizes lawfare. Taiwan's Lai Ching-te warns against becoming 'China's Taiwan'. Satellite imagery reveals exact replicas of US warships in Taklamakan desert. PLA Navy J-15T carrier cycle training. US House approves $500M military aid to Taiwan. 14 nations plus EU reaffirm 2016 SCS ruling; China doubles down with 933 patrols. Philippines condemns AI-generated video. Philippines and Vietnam upgrade coastguard cooperation. Chinese coast guard struck Philippine sailor with baton at Second Thomas Shoal—direct physical clash, AFP video evidence. New: Chinese coast guard fires water cannon at Philippine government ship at Scarborough Shoal—further escalation; third water cannon incident in a week, with CNN crew aboard. Philippines seeks reset with China amid clashes. China hits back at Japan over Taiwan and South China Sea. ASEAN and China report 'good progress' on South China Sea COC—diplomatic track continues despite tensions. US-Japan-Philippines joint drills in South China Sea (July 21-25) escalate multilateral military coordination. China launches live-fire drills in Taiwan Strait after Rubio's warning, plus fresh water cannon clash at Scarborough Shoal—two flashpoints in one day. Full-size replicas of US warships and Taiwanese government buildings built for missile testing—unprecedented scale of training. PLA Southern Theater Command slams Philippines for trilateral drills and conducts routine patrols. ASEAN foreign ministers gather in Manila with Rubio present; Rubio meets with Marcos, reaffirms no legal basis for China's claims; Beijing summons Philippine ambassador; Philippines also summons China's envoy, Marcos personally involved. PLA's PHL-191 airburst rockets signal new threat for Taiwan Strait deterrence. Chinese destroyer conducted live-fire drill in Japan's EEZ on July 20, a direct military escalation—now confirmed as joint drill with Russia, prompting Japan protest; China rejects Okinotori island status. Chinese nuclear submarine launched an ICBM near Guam on July 6, testing US Pacific defenses. PLA Navy J-35 production at 30 airframes, J-15T four-missile launch from EMALS. Arctic: US Coast Guard monitors Chinese icebreakers in Bering Sea. In apparent first, PLA helicopter crossed Taiwan Strait median line and lingered in Taiwan's no-fly zone, signaling new joint ops capability. PLA Navy conducts drills on amphibious assault ship Hainan. New analysis: Taiwan reaffirms its South China Sea claims but adopts low-profile approach due to geopolitical sensitivity. US mounts pressure across three maritime flashpoints (East China Sea, Taiwan Strait, South China Sea) in a coordinated 'three seas linkage' strategy, as analyzed by Chinese researchers. Taiwan's civil mobilization drills are being more tightly integrated with Han Kuang exercises this year, testing coordinated regional responses, underground medical facilities, and drone resupply—a concrete signal of Taiwan's whole-of-society defense posture against gray-zone coercion. New: CSIS report reveals Dec 2025 China-Russia joint bomber flight timed to Taiwan pressure on Japan—qualitative shift in gray-zone coercion.