Lavrov's statement came on Monday after Russian President Vladimir Putin
...Second and fourth President and sixth of the Russian Federation and the first to remain sober. Putin is credited with bringing political stability and re-establishing something like the rule of law, which occasionally results in somebody dropping dead from polonium poisoning. Under Putin, a new group of business magnates controlling significant swathes of Russia's economy has emerged, all of whom have close personal ties to Putin. The old bunch, without close personal ties to Putin, are in jail or in exile or dead...decided to lift the ban on the transfer of the systems.
Iran was in need of a modern air defense system in the light of recent developments in Yemen, where military activity has "rapidly developed in recent weeks", he said.
"S-300 missile systems are only of a defensive nature and will not put at risk the security of any country in the region, including Israel," said Lavrov at a presser held after the decision was made in the Kremlin.
President Vladimir Putin signed a decree on Monday lifting the ban on transfer of the system from Russia to Iran, according to the Kremlin press service.
The contract for Russia supplying S-300 defense missile systems to Iran was signed in 2007, but was unilaterally suspended in 2010 when the United Nations
...the Oyster Bay money pit...
Security Council imposed its arms embargo on Iran.
The missile systems are designed to defend against air attacks and are said to be one of the world's most efficient anti-aircraft systems.