Members of Iranian army land force academy perform manoeuvres during graduating ceremony in Tehran

Members of the Iranian army land force academy perform manoeuvres during a graduating ceremony in Tehran November 10, 2011. Iran’s Supreme Leader warned the United States and Israel on Thursday not to launch any military action against its nuclear sites, saying it would be met with “iron fists,” state television reported. REUTERS/Leader.ir/Handout (IRAN – Tags: POLITICS MILITARY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS