“A U.S. Navy ship fired on a fast approaching Iranian ship Tuesday in the latest U.S. skirmish with Iranian vessels in the northern Persian Gulf. The patrol craft USS Thunderbolt fired on an Islamic Revolutionary Guard Corps Navy vessel in the Gulf at 3 p.m. local time Tuesday, a defense official said, after the Iranian ship sped toward the Thunderbolt and got as close as 150 yards.”
Source: Official: US Navy ship fires warning shots near Iranian ship