Coast Guard Fires on Iranian Boat Dhow aimed machine gun at US crew patrolling Gulf By Rob Quinn, Newser Staff Posted Aug 27, 2014 2:53 AM CDT Updated Aug 27, 2014 6:33 AM CDT 80 comments Comments The Monomoy is one of the Coast Guard ships operating with the Navy's 5th Fleet. (US Navy) (Newser) – An Iranian boat that pointed a machine gun at the crew of a US Coast Guard cutter took off after the Americans fired a warning shot in response, the Navy says. Military officials say the Monomoy, one of the Coast Guard vessels patrolling international waters in the Persian Gulf, dispatched an inflatable boat to investigate the Iranian-flagged dhow—a traditional sailing vessel used for fishing and trading—and fired in self-defense after the dhow's gunner charged and aimed his weapon, Stars and Stripes reports. The Navy says no Americans were injured in the incident and that it's not clear whether the dhow was hit by the shot, reports CNN. The Monomoy had a friendlier encounter with Iranians in the Gulf in 2012 when it rescued six fishermen.