Shadmani’s pronouncement is the first official confirmation of Tehran’s purchase of the Russian fighters that has long been suspected to be in the works. Kremlin spokesman Dmitry Peskov declined to comment on the issue.

Iran has purchased Russian-made Sukhoi-35 fighter jets, a senior Revolutionary Guards commander said on Monday, amid Western concerns about Tehran and Moscow's growing military cooperation.

Nicole Grajewski is a Fellow in the Nuclear Policy Program at the Carnegie Endowment for International Peace and an Associate with the Project on Managing the Atom at the Harvard Kennedy School. She is the author of Russia and Iran: Partners in Defiance From Syria to Ukraine.

Unlike the treaty with Pyongyang, the pact with Tehran doesn’t envisage mutual assistance in case of aggression. But it does oblige each country not to offer any military or any other aid to an aggressor attacking another party. Moscow and Tehran ...

Russia and Iran signed a mutual defense and security cooperation pact on Jan. 17 — just days before President Trump’s inauguration. Both nations are primary opponents of the U.S., demonstrated by Russia’s war against Ukraine and Iran’s attempts to assassinate Trump,

Amid Western concerns about Tehran and Moscow's growing military cooperation, Iran said it has purchased Russian-made Sukhoi-35 fighter jets.

Just three days before US President-elect Donald Trump returns to the White House, Russia and Iran have finally signed a “comprehensive partnership agreement,” a deal that had been in the works for months.

While Moscow and Tehran have shared warmer relations for decades, a revival of the nations’ allyship occurred when the former invaded Kyiv.

Russian President Vladimir Putin is hosting his Iranian counterpart President Masoud Pezeshkian for the signing of a broad partnership pact

Russia and Iran sign a 20-year strategic partnership agreement to bolster military, political, and economic cooperation amid Western sanctions and escalating tensions.

Iran acquiring Russian Su-35 fighter jets would mark a major upgrade of its air force without changing the regional balance of power, analysts believe. A senior Iranian military official told state media on Monday that an unspecified number of the Russian aircraft had been purchased, and appeared to warn Israel against an attack.

Russian President Vladimir Putin and Iranian President Masoud Pezeshkian signed a broad cooperation agreement, deepening their already growing partnership.