Iran demands 4 Billions US Dollars from Russia for not delivering S-300 air defence missile system. The S-300 is an advanced mobile missile system which can shoot down aircraft and cruise missiles from up to 150 km away.Iran inked a deal with Russia to purchase the S-300 weaponry systems in 2007, however Russia delayed the missiles` delivery as the United States and Israel have strongly opposed the sale of the missile to Iran. Pictured: Ashuluk training range of Russian Armed Forces in Astrakhan region. Combat training for S-300 air defence missile systems. Missile launch.