Iran will develop its own version of the of the sophisticated S-300 air defense system 2109111.

Defense News - Iran

Russian made S-300PMU2 air defense missile system at MAKS Air Show

He noted that the development of system, dubbed as Bavar 373, started at an order issued by the commander in-chief, Ayatollah Seyed Ali Khamenei.

Asked about the features and specifications of the Iranian system, Esmayeeli stated, "The flaws and defects of the (Russian) S-300 system have been removed in the indigenous version of the system and its conceptual designing has been finished."

Esmayeeli noted that right now Iranian experts in Khatam ol-Anbia base and the Ministry of Defense are in conducting the precise designing of the system.

He stated that the Iranian defense ministry system uses two to three types of missiles in different layers to confront aerial targets.

Under a contract signed in 2007, Russia was required to provide Iran with at least five S-300 air-defense systems.

However, Moscow's continuous delays in delivering the defense system drew criticism from the Islamic Republic on several occasions.

Russia refused to deliver the system to Iran under the pretext that the system is covered by the fourth round of UN Security Council resolutions against Iran.

After the resolution was passed, Moscow said that it was not obliged to drop the S-300 deal with Iran, since it was not referenced in the UNSC resolution.