How is the Iran war reshaping China’s strategic calculations toward Taiwan? Nguyen Bao Han Tran examines how the conflict is reinforcing two competing lessons for Beijing: weaker actors can impose serious costs through asymmetric drone warfare, while prolonged U.S. military engagement elsewhere may strain allied deterrence in the Indo-Pacific. As Middle Eastern and Asian security dynamics become increasingly interconnected, this article argues that China may become more cautious about full-scale invasion while finding blockade, gray-zone coercion, and other strategies below the threshold of war increasingly attractive.