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Geopolitics · Maritime Security · Semiconductors · Taiwan Strait
On September 13th, 2025, a Chinese Coast Guard (CCG) vessel entered restricted waters around Taiwan's Dongsha Atoll, prompting a response from the Republic of China’s (ROC) Coast Guard Administration (CGA), marking a worsening trend of four incursions over four days and a broader Chinese Communist Party (CCP) maritime gray zone campaign.
This CCG activity aims to erode ROC sovereignty and threatens US national security interests by jeopardizing key maritime terrain in the First Island Chain and undermining confidence among regional allies like Japan and the Philippines. The article highlights the immediate danger to US economic interests, specifically the sea lines of communication (SLOCs) entering Taiwan's major ports, which are crucial given Taiwan produces over 90% of advanced semiconductor chips and is the seventh-largest merchandise trading partner of the United States.
The CCP's gray zone tactics, including mock vessel boardings and inspections during recent Joint Sword exercises, suggest a potential maritime quarantine of Taiwan, necessitating preventive US policy measures.
