U.S.: It's unclear if Russia has stopped using Iranian air base
State Dept. acknowledges reports that Russia ended its use of an Iranian air base to strike Syria, says it's unclear if they are true.
State Dept. acknowledges reports that Russia ended its use of an Iranian air base to strike Syria, says it's unclear if they are true.
Senior Iranian commander says supply of S-300 missile defense systems from Russia will be implemented by March of 2017.
Foreign Ministry's statement amended to omit notice of delivery of the missiles, says instead 'first phase' of agreement was implemented.
Iranian Foreign Ministry claims surface-to-air missile transfer underway after years of delays.
Iranian Foreign Ministry spokesman says his country and Russia are still holding negotiations on the S-300 air defense missiles.
Russia's Defense Minister visits Tehran amid continued reports of military deals between the two countires.
State Department's Mark Toner denounces reported Russian sale of Sukhoi-30 jets to Iran.
Russia says Iran has not yet paid for the S-300 advanced missile systems, and therefore they are not yet being delivered.
Russian military source says the country will start delivering air defense system in the first month of 2016.
Iranian media reports that Qassem Soleimani visited Russia and met Putin. The Kremlin denies the reports.
Ex-Lebanese general tells Iranian media that greater cooperation between Moscow and Tehran has eclipsed US worldwide.
Iran's defense minister says his country will receive air defense missile systems it ordered from Russia by the end of the year.
Russia and Iran agree to strengthen their cooperation in order to bring stability and security to the Middle East.
Both Assad allies attempt to convince world of their side in Syrian civil war amid concerns over closer Tehran-Moscow relationship.
Iran’s defense minister says Russia will deliver S-300 advanced missile system by the end of 2015.
Moscow confirms deal to arm the Islamic Republic, says 'topic is closed.'
Russia's Foreign Minister Sergei Lavrov to host Iranian counterpart Mohammad Javad Zarif on Monday.
Senior Russian diplomat denies that Qassem Soleimani visited Moscow in violation of UN travel ban.
Iranian Foreign Minister Mohammad Javad Zarif to visit capital of his country's close ally, Russia.
Report: the leader of the Revolutionary Guards's elite forces met with Putin, Russian Defense Minister - despite UN travel ban.
Russian President and Iranian counterpart to meet in Russia's city of Ufa as nuclear talks conclude.
Top Russian diplomat says no start date for the delivery of S-300 missiles to Iran has been set yet.
Iran’s Deputy Foreign Minister says Moscow and Tehran have concluded talks on the delivery of S-300 missiles to Iran.
White House spokesman says Moscow's move to supply S-300 to Iran shows the weakness of Russia's economy after being hit by sanctions.
Russian Presidents explains his decision to lift a ban on the delivery of S-300 missile defense systems to Tehran.
Iranian media reports that Russia and Iran will sign a construction deal for two nuclear power plants on Iran's southern Gulf shores.
Russia and Iran, both under sanctions from the West, plan to increase trade with one another.
After prolonged negotiations, Iran is moving to finalize plans with Russia to build at least two more nuclear power plants.
Russia reportedly plans to build two more nuclear reactors in Bushehr, part of a broader deal for up to eight reactors.
Treasury Secretary Jack Lew tells his Russian counterpart that any oil-for-goods deal between Iran and Russia could lead to more sanctions.
Robert Menendez and Mark Kirk demand that Obama impose sanctions if Tehran pursues an energy agreement with Russia.
Russia has signed a preliminary deal to build at least two more nuclear power plants in Bushehr, says Iranian media.
Iranian cleric and lawmaker reveals that Iran 'needs' a nuclear weapon to 'wipe Israel off the map'; also reveals US 'need' for Iran deal.
UN Secretary General announces intentions to have Iran participate in Geneva 2, despite allegations that Tehran is involved in conflict.
Amid crisis of confidence with the US, Israeli Prime Minister set to visit Moscow to lobby Kremlin to halt Iranian nuclear program.
A spokesman for Putin denies that the Russian President plans to offer Iran S-300 missile systems and another nuclear reactor.
Russian destroyer arrives in southern Iran ahead of joint programs with the Islamic Republic's navy.
Russia's Foreign Minister: Iran should not face threats over its nuclear program, a quick settlement of the standoff isn't realistic.
Speaker Rivlin tells visiting Russian parliamentarians they share responsibility for world, along with the US.
Russian Prime Minister Vladimir Putin: The results of an attack on Iran could be catastrophic. Moscow is concerned over such an attack.
China and Russia belittle IAEA report, plan to thwart any new round of sanctions against Iran, This makes the UN approach a dead end.
Russia to pay Iran $800 million after cancelling sale of S-300 defense system.
Russian officials express optimism as first Iranian nuclear power plant opens, for domestic use. Fuel can be enriched more for weapons use.
Russians are concerned over Moscow's cancellation of its deal to sell Iran the S-300 anti-aircraft surface-to-air missile defense system.