<P> In August 2018, Iran test - fired ballistic missile for first time in 2018 . According to the officials, the anti-ship Fateh - 110 Mod 3 flew over 100 miles on a flight path over the Strait of Hormuz to a test range in the Iranian desert . "It was shore - to - shore," said one U.S. official describing the launch, who like the others requested anonymity to discuss sensitive information . </P> <P> Millennium Challenge 2002 was a major war game exercise conducted by the United States armed forces in 2002 . According to a 2012 article in The Christian Science Monitor, it simulated an attempt by Iran to close the strait . The assumptions and results were controversial . </P> <P> A 2008 article in International Security contended that Iran could seal off or impede traffic in the Strait for a month, and an attempt by the U.S. to reopen it would be likely to escalate the conflict . In a later issue, however, the journal published a response which questioned some key assumptions and suggested a much shorter timeline for re-opening . </P> <P> In December 2011, Iran's navy began a ten - day exercise in international waters along the strait . The Iranian Navy Commander, Rear Admiral Habibollah Sayyari, stated that the strait would not be closed during the exercise; Iranian forces could easily accomplish that but such a decision must be made at a political level . </P>

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