“A U.S. coastal patrol ship faced seven Iranian Republican Guard Corps Navy fast in-shore attack craft before swerving to avoid crashing into one on Sunday, according to a 5th Fleet spokesman. The incident is the latest in a series of interactions the Navy has called ‘dangerous and unprofessional’ in a year that has seen more run-ins between U.S. and Iranian ships than in recent memory. Iranian vessels harassed destroyers and PCs in four incidents in late August, resulting in warning shots in one case. “

Source: Official: 7 Iranian boats came after U.S. ship in the Persian Gulf