Iran unveils its first domestically produced Islamic Aircraft Carrier "the Immortal" to challenge the US 5th and 6th Fleets.======================================================================TEHRAN, Aug. 29 (Xinhua) -- Iran will intervene ifthe West pushes for regime change in Syria amid mounting calls formilitary intervention after alleged use of chemical weapons in thebattered Arab country, analysts here say.Iran's new government does not want direct confrontations with theWest over Syria, with President Hassan Rouhani having said " the world'speople, particularly the people in the Middle East, are not preparedfor a new war."But Tehran may well be forced into the conflict, Sadeq Zibakalam, aprofessor on politics from Tehran University, told Xinhua on Thursday.Iran will become involved directly in Syria when it finds that worldand regional powers like the United States, Britain and Saudi Arabia arealready there attacking Bashar al-Assad. "In such a scenario, Iran willdo whatever it takes to keep Assad in power, " said the expert.