close Video US military concentration in Middle East builds as Trump sends warning to Iran Fox News chief national security correspondent Jennifer Griffin reports on President Donald Trump’s stance on Iran on ‘America Reports.’ NEWYou can now listen to Fox News articles! Iran launched live-fire naval exercises in the Strait of Hormuz on Monday in preparation for potential security and military threats in the strategic waterway, according to the country’s state-run IRNA news agency. The drill, called "Smart Control of the Strait of Hormuz," was led by the naval forces of the Islamic Revolutionary Guard Corps (IRGC) under the supervision of IRGC Commander in Chief Maj.