A U.S. Navy ship fired warning shots when an Iranian vessel in the Gulf came within 150 yards (137 meters) on Tuesday in the first such incident since President Donald Trump took office in January, a U.S. official told Reuters. The last major incident was earlier in January, though there have been instances when a U.S. vessel fired a flare as well as an event in March when a U.S. Navy ship was forced to change course after multiple fast-attack vessels from the Islamic Revolutionary Guard came too close. Read more https://www.reuters.com/article/us-usa-iran-military-idUSKBN1AA1P3