Iran Conflict — 2026-03-18

New Supreme Leader Mojtaba Khamenei Orders Strait of Hormuz to Remain Closed

Mojtaba Khamenei, who assumed the Supreme Leader role after his father Ali Khamenei was killed in the initial February 28 strikes, issued his first major policy directive ordering the Strait of Hormuz to remain closed to pressure Washington. Iran is allowing ships through only if they cooperate with the Iranian navy, creating a de facto selective blockade rather than a full closure.

Analysis
Mojtaba Khamenei assumed power after his father was killed in the initial Feb 28 strikes. His first major policy directive, keeping Hormuz closed, signals continuity with the regime's asymmetric leverage strategy identified in the prior INTSUM.

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