The Israel Defense Forces are strengthening their air defense system. To achieve this, they have decided to mobilize additional military personnel, informs The Times of Israel. The call-up of reservists followed threats from Iran to respond to the likely killing by Israel of Mohammad Reza Zahedi, the highest-ranking official of the IRGC in Syria. Also, during the strike, his deputy was killed, along with five other IRGC officers and at least one member of Hezbollah. Media reports indicate that Israel is on high alert for a possible response from Iran. What preceded Two days ago, the city of Da…