Iran’s Mersad air defense system operational Posted on April 20, 2011 by alert5 Iran says its Mersad air defense system has been operational with the country’s air defense units. Related posts (Automatically Generated): Venezuela may transfer S-300 to Iran Russia deploys Pantsyr-S to protect its S-400 site Iran conducts test of Tor-M1 Wasington welcomes Russia ‘restraint’ over S-300 sale to Iran Israel testing new missile defense system for its patrol boats Super Hornet flies with Distributed Targeting System for first time