Trio Approach Three Iranian Islamic Revolutionary Guard Corps Navy fast inshore attack craft approach the U.S. Coast Guard patrol boat USCGC Baranof and patrol coastal ship USS Firebolt, while the U.S. vessels were conducting routine maritime security patrols in the international waters of the North Persian Gulf, April 26. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: Navy VIRIN: 210426-N-NO146-1001C.JPG Photo Gallery