8 August 2025

Beyond the Second Island Chain: It’s Time to Mitigate Strategic Risk in Oceania

George Fust

The lens of US-China strategic competition is most typically focused on geographic areas of friction like the South China Sea and potential flashpoints like Taiwan, locations inside the first island chain. Occasionally, it zooms out to the second island chain. Too rarely, however, does the aperture widen even further to the Pacific Islands. But these islands are not a backwater. They are the front line. Oceania spans more than three hundred thousand square miles and sits astride some of the world’s most important sea lanes and beneath vital air corridors.

From the second through the third island chains, the region plays a pivotal role in Indo-Pacific security and would certainly do so in any future military contingency involving China. Though these island nations are often small and remote, their strategic value is undeniable. Geography remains destiny, and in the case of Oceania, whoever controls access to the region holds a powerful advantage. China understands this. The United States must act accordingly and urgently.

China has spent the last two decades executing a comprehensive strategy of influence across Oceania. This campaign reflects a model of unrestricted warfare: economic enticement, diplomatic charm offensives, elite capture, media manipulation, and the deployment of state-owned enterprises that serve both commercial and military functions. Beijing-backed companies now operate critical infrastructure including ports, airports, undersea cables, and telecommunications networks across the region. In many cases, these services are monopolistic by necessity; most Pacific island countries are too small to support multiple competitors. 

This creates single points of failure and vulnerability. Chinese infrastructure is not just dual-use in theory. In a future conflict, these assets will support early warning operations or integrate into a kill chain for the People’s Liberation Army targeting US and allied forces. Even in peacetime, their presence enables surveillance, coercion, and disinformation, all of which align with Beijing’s larger effort to reshape the regional order and cast the United States as an unreliable or even malign actor. Mitigating strategic risk in Oceania requires a nuanced understanding of several interlocking dynamics. 

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