Russian bombers use an Iranian airfield for operations in Syria

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.

The IAEA verified Iran’s required initial nuclear measures, enabling JCPOA Implementation Day and agreed relief under the deal negotiated with Russia and the other powers.

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.

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.

Russia announced that deliveries of S-300 air-defence systems to Iran were complete, marking the supply milestone after years of dispute and renewed negotiations.

Iran and Russia signed state export-credit agreements for a thermal power plant and electrification of the Garmsar–Incheh Borun railway, linking finance to infrastructure projects.

The foreign ministers of Iran, Russia and Turkey issued a joint declaration in Moscow supporting a Syrian political settlement and setting out principles for further cooperation.