Iran will launch a major military exercise in the Persian Gulf to show they can close the Strait of Hormuz.<br />The Strait of Hormuz is a passage into the Persian Gulf between Iran and Oman.<br />About 30% of the world's oil supply passes through the Strait.<br />"We are aware of the increase in Iranian naval operations within the Arabian Gulf, Strait of Hormuz and Gulf of Oman. <br />
