Deterrence is not a bilateral relationship. Every negotiation Washington conducts with an adversary under pressure is watched by every other adversary under pressure, and the conclusions drawn in those watching capitals shape decisions that have nothing to do with the original file. The framework emerging from the US-Iran nuclear talks is a nuclear agreement in name. In Beijing’s strategic calculus, it is a data point about American willingness to accept suboptimal outcomes when the cost of holding firm becomes politically visible.

The war in the Strait of Hormuz is ending. The accounting for Taiwan has not yet begun.

Every resource consumed in the Gulf over the past weeks came from the same strategic account that underwrites deterrence in the Pacific. The aircraft carrier gap — no US carrier in the Pacific for more than two months — is not a logistical footnote. It is a signal. China read it. Taiwan felt it. The question now is what Beijing concludes about the durability of American commitments when a second crisis materializes in a different theater.