10 January, 2017
According to the officials, who preferred to remain anonymous, USS Mahan initiated communications with the Iranian vessels requesting them to reduce speed.
The Iranian ships approached the vessel at a high rate of speed five separate times, CNN reported.
The Mahan was transiting with the San Diego-based amphibious assault ship USS Makin Island and the USNS Walter S. Diehl, an oiler, Urban said.
The most widely-reported case, however, occurred in January 2016, when 10 United States sailors were taken into custody after their boats crossed into Iranian waters.
The official said the boats were approximately more than 800 metres away when the warning shots were fired. The simulations are "ongoing", a USA defense official tells Fox News. A U.S. helicopter overhead then dropped smoke grenades.
The Iranian vessels ignored successive audio warnings, a siren alert and the ship's whistle during what the official called an "unsafe and unprofessional" interaction. A few days later Iranian boats came within 200 yards of the USS Squall. The event took place as the helicopter was escorting the aircraft carrier USS Dwight D. Eisenhower on its way out of the Persian Gulf.
The incident is the latest tense encounter between the United States and Iran, in and over waters near Iran in recent months, which have included the capture of USA sailors, Iranian rocket launches, and drones flying over U.S. vessels.
Randy Gregory suspended a year: No one is surprised
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