An Iranian supertanker with US$130 million worth of light crude oil that the US suspects is tied to a sanctioned organisation has left Gibraltar and was heading Monday east into the Mediterranean Sea, with its next destination reported to be Greece.The Iran-flagged Adrian Darya 1, previously named Grace 1, set course for Kalamata, Greece, with an estimated arrival on August 25, according to ship tracking service MarineTraffic.It wasn’t immediately clear why the tanker would be heading there or…