An American cargo ship, the 'Cape Ray' converted into a mobile chemical weapons destroyer is expected to take charge of some of Syria's most dangerous materials next week, a U.S. defense official said. Syria on Monday handed over the remaining 8 percent of a total 1,300 tonnes that Syria declared to the Organisation for the Prohibition of Chemical Weapons (OPCW). The handover had faced repeated delays, leaving the Cape Ray docked in southern Spain awaiting a green light to proceed. Its mission now is to transform toxic agents into a much less poisonous soup of chemicals, ready for disposal back on land. The Cape Ray's crew were given word on Monday that they needed to be ready to depart Spain in the coming days for southern Italy's Gioia Tauro port…