US naval blockade escalates in Strait of Hormuz with 12 ships turned back. Bab el-Mandeb Strait effectively closed by September 30 at 21.5% YES.

US resumes naval blockade against Iran, redirecting 12 vessels. 60 ships transiting the Strait of Hormuz by July 31, 2026 at 2.1% YES.

US diverts 12 ships breaching Iran blockade, indicating rising tensions. Bab el-Mandeb Strait effectively closed by September 30 at 21.5% YES.