The Loneliest Island: Will America Truly Defend Taiwan?

Foreign Affairs | Bonny Lin

China escalated its gray-zone coercion against Taiwan through "Justice Mission 2025," a massive military exercise that encircled the island and disrupted international air traffic. This operation, alongside a 22 percent increase in airspace intrusions and a June maritime quarantine rehearsal, threatens to permanently alter the cross-strait status quo before the 2028 Taiwanese presidential election.

Beijing's pressure campaigns, supported by military purges to accelerate readiness, aim to politically undermine President Lai Ching-te and weaken the Democratic Progressive Party in upcoming local and national elections. To counter these incremental tactics, scholar Eyck Freymann proposes a strategy of "structured ambiguity" where the United States imposes proportional political and economic costs for every Chinese revisionist action. However, implementing such deterrence remains highly challenging, especially as Washington's recent concessions on tariffs in the face of Beijing's rare-earth export threats highlight a reluctance to bear the severe economic costs of a potential escalation spiral.

Comment

The execution of Justice Mission 2025 demonstrates the People's Liberation Army's transition from symbolic shows of force to highly integrated, multi-domain blockade rehearsals. By combining amphibious deployments off Taiwan's east coast with live-fire rocket launches, Beijing is operationalising a doctrine of complete maritime and aerial isolation. This systematic expansion of gray-zone operations exploits the threshold below conventional conflict, exposing the limitations of traditional American deterrence frameworks. Consequently, the reliance on strategic ambiguity is rendered increasingly obsolete as Chinese forces incrementally establish a de facto quarantine capability without triggering a kinetic Western response.

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