It was just another day with Operation Martillo for the frigate Rentz on Jan. 14, when a patrol for drug-smuggling boats turned into a rescue mission to save three trapped sea turtles. Pilot Lt. j.g. Chris Gokey and co-pilot Chief Warrant Officer 3 Rob Antonucci were up in an SH-60B anti-submarine patrol helicopter about 80 nautical miles off the coast of Guatemala when they spotted an island of floating garbage alongside a group of fishing buoys, according to a Navy release. It seemed that three unusual objects were connected to the buoy line, so they called for the ship to…