FNA- The Iranian Army and the Aerospace�Division of the�Islamic Revolution Guards Corps (IRGC) have started comprehensive joint air defense drills in the country�s south. Codenamed Modafean Aseman Velayat 7 (The Defenders of Velayat Skies 7), the drills kicked off early Monday on the orders of Brigadier General Farzad Esmaili, the commander of the IRGC�s Khatam al-Anbiya Air Defense Base.