JCPOA Implementation Day begins verified nuclear arrangements

Iran participated alongside Russia and other powers in Vienna talks on Syria, joining a broader diplomatic forum that agreed principles for a political process.

Rostec chief Sergei Chemezov announced that a contract to supply S-300 air-defence systems to Iran had entered into force, moving procurement beyond the earlier Russian ban.

Vladimir Putin met Ali Khamenei in Tehran during a visit that also included talks with Hassan Rouhani, strengthening leadership contact amid nuclear and Syrian cooperation.

Russia supported unanimous adoption of Security Council Resolution 2254, which endorsed a Syrian political roadmap informed by Vienna talks involving Iran.

A shipment of Iranian low-enriched uranium material departed for Russia as part of Iran’s nuclear commitments, bringing JCPOA implementation closer.

Iran’s foreign ministry announced completion of the first phase of its S-300 contract with Russia, reporting that an initial part of the air-defence shipment had been received.

Hassan Rouhani, Vladimir Putin and Ilham Aliyev met in Baku for their first trilateral summit, promoting regional cooperation and transport links.

Russia announced bomber missions to Syria launched from Iran’s Hamadan airfield. The use of Iranian facilities illustrated operational cooperation supporting the Syrian government; it did not...

Iran said Russian use of its Hamadan air base had ended for the time being, revealing sensitivities over foreign military access and publicity around the arrangement.

Iran and Russia held a groundbreaking ceremony for the Bushehr II nuclear expansion, advancing the two additional reactor units contracted in 2014.