NEWYou can now listen to Fox News articles! Iranian Supreme Leader Mojtaba Khamenei formally appointed six senior military commanders Monday, cementing a wartime reshuffle as Tehran rebuilds a command structure impacted by months of U.S. and Israeli strikes.The appointments, announced by Khamenei’s office and promoted on social media, fill posts across Iran’s armed forces, the Islamic Revolutionary Guard Corps (IRGC) and the Basij paramilitary force, with a counterterrorism expert warning the timing and language of the decrees signal Tehran is preparing for “prolonged confrontation” and not a settlement with Washington.”Strategically, the announcements made were issued in English, on X, while…