US officials warn that Iran's leadership has grown more radical and confident it can outlast American political will, even under a potential naval blockade of the Strait of Hormuz. Iran's defiant posture and nuclear ambitions place it at the centre of end-times geopolitics, as Scripture identifies a northern and eastern coalition that will threaten Israel in the last days. Ezekiel 38 describes Persia — modern-day Iran — as a key nation in the great end-times assault on Israel, making Iran's hardening resolve a significant prophetic signal.