Russia to optimize Russian-made S-200 air defense missile system to cover medium altitude targets 20.

"We briefed the Russian Air Force commander on the changes we have made in the S-200 system and he admired these capabilities," Esmayeeli told reporters after a meeting with Bondarev in Tehran on Sunday.

"We told him that the system was a long-range system completely made by Russia, but we could add up to its capabilities to cover mid-altitude threats by changing the structure and protocol of the S-200 system and using Sayyad-2 missiles and we also told him that this (new) capability has proved successful on the scene of practical tests,", Esmayeeli added.

Iran announced in August that it has used the latest home-made missile production, Sayyad (Hunter) 2, in its sophisticated S-200 anti-aircraft system.

Speaking to reporters in August, Esmayeeli said that the country had used "Sayyad 2 missiles in its S-200 defense systems", and pointed out that the restructuring of the system was the result of the industrious efforts made by experts at the Iranian defense industries and his base.

In similar remarks in July 2011, Esmayeeli had announced that the country's experts have been able to optimize the Russian-made S-200 anti-aircraft missile system so well that the Iranian version of the system has stunned Russian experts.

In November 2010, Iran successfully test-fired its sophisticated S-200 anti-aircraft missile systems.

Iran's S-200 system is a very long range, medium-to-high altitude surface-to-air missile (SAM) system designed to defend large areas from bomber attack or other strategic aircrafts. Each battalion has 6 single-rail missile launchers and fire control radar. It can be linked to other, longer-range radar systems.

Each missile is launched by 4 solid-fueled strap-on rocket boosters. Maximum range is between 200 and 350 km depending on the model. The missile uses radio illumination mid-course correction to fly towards the target with a terminal semi active radar homing phase.