Russia's decision to supply long-range surface-to-air missiles to Iran has come after military escalation in Ukraine, in defiance of the proposed expansion of economic sanction against Russia, and as a direct challenge to the United States and its NATO allies.
Russia's War Against Ukraine
The Blade: West must take tougher stance to halt Russian aggression
An employee stands by TV sets in a shop in Moscow on April 16, 2015 during the broadcast of Russian President Vladimir Putin's annual televised phone-in with the nation.
