When the American Institute in Taiwan posted a photograph on July 28 showing US and Taiwan coast guard vessels sailing in formation, supporters of the ruling Democratic Progressive Party celebrated it as "happy sailing" — a rare and reassuring glimpse of bilateral maritime coordination. But Beijing, it turns out, was not watching Taiwanese social media.
While Taipei cheered, China's multi-front maritime pressure campaign was already operating on several fronts simultaneously — from vast fishing vessel formations off Taiwan's northern coast to coast guard advances into Taiwan's eastern waters and a renewed squeeze around the Taiwan-administered islands of Kinmen.
The centerpiece of China's grey-zone strategy is its maritime militia — an unofficial force that sits outside the People's Liberation Army's formal structure but is staffed overwhelmingly by active and reserve PLA personnel who can be converted into combat operatives on short notice. Analysts have taken to calling this force China's "third navy," ranking it behind the PLA Navy and Coast Guard but above ordinary civilians.
The scale of recent militia mobilizations has drawn alarm. According to reporting by *The Economist*, China's maritime militia has gathered multiple times in recent months near Taiwan's northern waters, with activity intense enough to force merchant vessels onto detour routes. A December 2025 event saw militia fishing boats hold an L-shaped formation in northern Taiwan's waters for 12 consecutive hours. Between January 9 and January 12, 2026, approximately 1,400 fishing vessels assembled in an inverted-L formation stretching 320 kilometers — roughly the length of Taiwan from north to south — in what security analysts describe as a rehearsal of a maritime encirclement. *The New York Times* previously reported on this formation.
The US Coast Guard estimates China's maritime militia fleet at roughly 3,000 vessels, though analysts note the number Beijing could actually mobilize is impossible to quantify. What is not in doubt is that the "fishermen" crewing these boats carry naval training and can execute covert missions at Beijing's command.
Fujian Coast Guard Escalates Pressure on Kinmen and Beyond
The militia is only one dimension of a coordinated multi-front pressure campaign. China's Coast Guard has begun conducting what Beijing terms "routine law enforcement patrols" in waters off Taiwan's eastern coast — territory that Taiwan has historically treated as strategic depth, sheltered from direct pressure by the island's mountainous interior. Beijing is now routinely operating in those waters, effectively repurposing Taiwan's eastern maritime buffer into a Chinese enforcement zone.
On July 29, Fujian province's Coast Guard publicly announced it had conducted "regular law enforcement inspections" near Kinmen. Fujian authorities framed the operation as protecting "the legitimate rights and property of fishermen on both sides" and safeguarding "normal navigation and operational order" in Xiamen-Kinmen waters.
The pressure near Kinmen is set to intensify. Xiamen's new Xiang'an Airport is scheduled to begin operations by late 2026, and it sits approximately 10 kilometers from Kinmen's Shangyi Airport. The proximity creates overlapping approach and departure corridors, wake turbulence concerns, and emergency diversion procedures that analysts say will provide Fujian's coast guard and official vessels with a persistent pretext for expanded maritime presence in the area.
Trump's Strategic Retreat Gives Beijing a Multi-Front Opening
Beijing's simultaneous advances are not occurring in isolation. China's Coast Guard has also been operating near the Senkaku Islands — called Diaoyu by Beijing — to assert sovereignty claims, and the PLA's Southern Theater Command has dispatched vessels to Scarborough Shoal (called Bajo de Masinloc in the Philippines) for what Beijing described as "combat readiness patrols." Chinese vessels have additionally entered Japan's exclusive economic zone south of Yonaguni Island, applying pressure on the southernmost anchor of Japan's island chain.
What has changed is not just the scale of Chinese ambition, but the strategic context surrounding it. The US National Security Strategy released in late 2025 under President Donald Trump signaled that Washington no longer intends to serve as a global security guarantor, demanding instead that first-island-chain allies contribute more toward their own defense. Trump has publicly described Taiwan as too geographically distant — referring to it at one point as a "chip thief" — while signaling he expects more in protection fees. For Beijing, that posture reads as a signal that Washington is prepared to yield its geostrategic anchor along the first island chain.
Taiwan also found itself excluded from a maritime negotiation that directly affects its adjacent waters. On May 28, Japanese Prime Minister Sanae Takaichi and Philippine President Ferdinand Marcos Jr. launched talks on maritime boundary delimitation in waters east of Taiwan. Taipei was not included in those consultations. Taiwan's foreign ministry responded by stating it "affirms" the negotiations and hopes all three parties can contribute to regional peace — a striking posture for a government whose adjacent waters were being deliberated without its participation.
One Photo Cannot Hold a Multi-Front Maritime Advance
The AIT image that thrilled Taiwan's governing coalition depicted the US Coast Guard cutter Midgett (WMSL-757) sailing alongside Taiwan's patrol and rescue vessel Taipei (CG5005), a 4,000-ton class ship — but it specified no patrol location. Against the backdrop of 1,400-vessel militia formations, a coast guard advancing into eastern Taiwan waters, and a US administration signaling strategic retrenchment, the photograph's deterrence value has visible limits.
China's apparent grey-zone playbook — rehearsed across waters near Dongsha, eastern Taiwan, and the shipping lanes encircling the island — moves in escalating stages: coast guard patrols first, then official vessel declarations, then the interrogation of merchant ships, and ultimately, approaches, interdictions, and boardings under the banner of "maritime traffic safety." Whether a single joint patrol photograph represents the beginning of a credible counter-strategy — or merely the appearance of one — is a question Taiwan cannot afford to leave unanswered.
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