Moscow Close to Selling Air Defense System Better Than S-300 to Tehran

Negotiations on delivery of a more modernized Russian air defense system than S-300 to Iran are close to a successful conclusion, a source in the Iranian Defense Ministry told Sputnik on Saturday.

On Tuesday, a source in the Iranian Defense Ministry told Sputnik that the recent comprehensive nuclear agreement between the six world powers and Iran could allow Tehran to gain access to a more advanced air defense system than S-300.