Raad or Ra'd (Persian: رعد‎‎, meaning "thunder") is an Iranian aerial defence system deployed in September 2012. The system is designed to enhance Iran's capabilities in terms of defense, and as a partner to Bavar 373 air defense system. According to Fars news agency the Raad, is more advanced than its Russian predecessor and is designed to confront fighter jets, cruise missiles, smart bombs, helicopters and drones. the system is also designed specially for US fighters. The system is equipped with "Taer" (Bird) missiles, which can trace and hit targets in ranges up to 50 km and in altitudes from 25 to 27 km (75,000 feet), Ra'd is ranked as a mid-range radar system and air defense system.