Russia-Iran Treaty Lasts 20 Years but Does Not Require Mutual Defence
Archive photo: Vladimir Putin and Abbas Araghchi during a meeting in Moscow on 17 April 2025. This image does not show Sergei Lavrov’s October 2026 visit to Tehran. Photo: Presidential Executive Office of Russia, CC BY 4.0. Image source · CC BY 4.0 licence . The treaty signed by Vladimir Putin and Masoud Pezeshkian in 2025 expanded cooperation between Moscow and Tehran on defence, security, energy, trade and technology. But its 47 articles do not create a military alliance or require either country to go to war to defend the other. Russian Foreign Minister Sergei Lavrov’s visit to Tehran on 19 October 2026, and Iranian Foreign Minister Abbas Araghchi’s statement that the two countries have never been closer, renewed debate about the partnership’s reach. The treaty provides for significant military cooperation. That, however, is not the same as a mutual-defence commitment. What is the Russia-Iran treaty? The Comprehensive Strategic Partnership Treaty was signed in Moscow on 17 January ...