Tehran is considering the drastic measure of attempting to close the critical Strait of Hormuz if a regional war becomes disastrous, a move that would severely impact global oil transit. This potential escalation arises amidst heightened regional tensions, even as Saudi Defense Minister Prince Halid bin Salman visited Tehran in April 2025. This visit marked the highest-level Saudi diplomatic engagement with Tehran since 1997, highlighting complex and evolving relations between the two regional powers.