After attacking Israel with over 300 missiles and drones, Iran is bracing for a powerful response from the US ally. Experts have analysed the type of air defence systems that Iran possesses and if they would be efficient in foiling Israeli strikes. Experts have analysed the type of air defence systems that Iran possesses and if they would be efficient in foiling Israeli strikes. Over the past two decades, Iran has managed to create a fairly sophisticated Integrated Air Defence System (IADS).