China Launches Coordinated Response Near Huangyan Island
China conducted a three-pronged military, law enforcement and administrative response near Huangyan Island (Scarborough Shoal) on August 1, staging joint naval-air exercises, coast guard drills and new nature reserve management measures in a coordinated show of sovereignty over the disputed South China Sea feature. The actions came as tensions with the Philippines escalate over competing territorial claims.
The People’s Liberation Army (PLA) Southern Theater Command conducted a joint naval-air training exercise in the territorial sea and airspace of Huangyan Island and its surrounding areas, according to People’s Daily. The exercise focused on reconnaissance and early warning, deterrence patrols, sea and air control, and joint strikes, testing the forces’ real combat capabilities.
“This is a necessary action taken in light of the current situation in the South China Sea and in response to the acts of certain countries within the region that have undermined regional peace and stability,” the Southern Theater Command said in a statement.
Coordinated Three-Pronged Response
The same day, the China Coast Guard (CCG) conducted rights protection and law enforcement control drills in nearby waters, focusing on visit, board, search and seizure (VBSS), interdiction of forced entry, and forced towing operations. CCG spokesperson Jiang Lue stated that the force will “increase rights protection law enforcement and management control efforts” near the island, according to Xinhua.
Simultaneously, China’s Ministry of Natural Resources, National Forestry and Grassland Administration, CCG, and Hainan Provincial Government jointly issued 16-article management measures for the Huangyan Island National Nature Reserve. The reserve, approved by the State Council in September 2025, covers 3,523.67 hectares of coral reef ecosystems and is home to rare species including hawksbill turtles, green sea turtles, giant clams, and tiger cowries.
The measures prohibit unauthorized fishing, mining, and the collection of corals, coral reefs, and giant clams, and establish a routine patrol system in collaboration with the coast guard, as reported by China Daily.
Response to Philippine Legal Maneuvers
The coordinated actions came in direct response to the Philippines’ submission of an official nautical chart to the UN Secretariat on July 31, claiming so-called “territorial sea baselines” around Huangyan Island. China’s Foreign Ministry issued a strongly worded statement the same day, declaring the Philippine delimitation “illegal, null and void.”
“The Philippines’ delimitation of the so-called ‘baselines of the territorial sea’ of China’s territory of Huangyan Dao is a grave infringement upon China’s territorial sovereignty and a serious violation of international law,” the Foreign Ministry statement said. “Huangyan Dao is China’s inherent territory. China has indisputable sovereignty over it and its adjacent waters.”
The timing of the exercises on August 1, China’s Army Day, was clearly deliberate, adding symbolic weight to the military demonstration.
Escalating Tensions in Late July
The latest escalation follows a series of confrontations in late July. On July 22-23, Philippine government and coast guard vessels attempted to enter waters near Huangyan Island, with the Philippines assembling seven government vessels, three coast guard ships, one fishing vessel, and numerous fishing boats near the island. The CCG used water cannons against Philippine vessels on two consecutive days, July 23 and 24.
According to Xinhua English, the CCG drove away two Philippine government vessels (MMOV 3012 and MMOV 3018) that intruded into Chinese territorial waters off Huangyan Island. During the operation, a fuel leak occurred during a failed Philippine supply transfer, creating ecological hazards in surrounding waters, as reported by Global Times.
Expert Analysis
Chinese experts characterize the response as a significant shift toward more coordinated, institutionalized governance of the area. Ding Duo, director of the Research Center for International and Regional Issues at the National Institute for South China Sea Studies, told Global Times that “the recent operations are not isolated exercises, but part of a more regular and coordinated framework combining military readiness, maritime law enforcement and administrative governance.”
Ren Yuanzhe, a professor at China Foreign Affairs University, told China Daily that “the response demonstrates China’s resolve to safeguard its sovereignty and maritime rights, while maintaining restraint and leaving room for practical cooperation, including maritime search and rescue.”
Yang Xiao, a research professor at the Institute of Peaceful Development under the Chinese Academy of Social Sciences, noted that “the PLA and CCG drills establish clear operational red lines for the Philippine military, while the reserve rules provide a legal foundation for on-site management and responses to violations.”
Regional and International Context
The escalation comes at a delicate time for ASEAN-China relations, as both sides work toward concluding a Code of Conduct in the South China Sea. The 2026 timing also marks the 10th anniversary of the 2016 South China Sea arbitration award, which China rejects as “illegal, null and void.”
The Philippines’ actions have been characterized by Chinese experts as undermining regional stability and trust-building efforts. A Global Times editorial declared: “China will not allow anyone to run amok at its doorstep. China has always advocated for resolving disputes through dialogue and consultation, but this does not mean it will tolerate any provocations.”
Meanwhile, US Secretary of State Marco Rubio has said Washington seeks a stable relationship with China, suggesting the US may be reluctant to escalate tensions over the Philippines’ provocations. The Associated Press reported that the drills occurred as territorial tensions with the Philippines intensify, while Philstar noted that Beijing claims sovereignty over almost the entire South China Sea despite the 2016 arbitral ruling.
What to Watch For
As the situation continues to evolve, several key questions remain: Will the Philippines respond with further military or diplomatic actions? How will the US and its allies react to China’s coordinated response? And will the Code of Conduct negotiations be affected by the escalation?
What is clear is that China’s approach to Huangyan Island has moved beyond isolated exercises to a comprehensive system combining military deterrence, maritime law enforcement, and ecological conservation. The coordinated August 1 actions signal that Beijing is prepared to institutionalize its governance of the area, establishing clear red lines for any further provocations.