17, Russian state news agency TASS reported.Moscow and Tehran have long ties but their cooperation only intensified after the outbreak of Russia's full-scale war against Ukraine in 2022.Iran has provided Russia with thousands of Shahed drones used in attacks against Ukrainian cities, as well as short-range ballistic missiles.The document, signed during an official ceremony in the Kremlin, establishes Moscow and Tehran as strategic partners. The agreement covers various areas, including energy, finance, transportation, agriculture, culture, science, technology, and counterterrorism.Russia and Iran have also agreed to strengthen cooperation in security and defense. According to the agreement, if one of the parties is subjected to aggression, the other will not provide any assistance to the aggressor.