During the 12-day Iran-Israel war in June 2025, Moscow reportedly provided Israel with information about Iranian air defense sites, Iranian political advisor Seyed Mohammad Sadr said on August 24, The Moscow Times reported on August 25, citing Al Arabiya.

Sadr added that the war exposed the limits of Iran’s strategic alliance with Russia. “This war proved the futility of a strategic alliance with Moscow. For example, they [Russia] merely stated, ‘We are not happy that Israel attacked Iran,’” he told Asriran.

The war between Israel and Iran, which lasted from June 13 to 24, saw Israeli air forces nearly completely suppress Iran’s air defenses and gain control over the skies above central Iran, striking key nuclear facilities, according to The Moscow Times.

This occurred despite the strategic partnership agreement signed between Russian leader Vladimir Putin and Iranian President Masoud Pezeshkian in Moscow on January 2025. Putin described the deal as “groundbreaking,” emphasizing ambitious goals, particularly in military cooperation.

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During the June war, however, Russia offered little tangible support to Tehran. On June 23, Iranian Foreign Minister Abbas Araghchi visited Moscow requesting new air defense systems and help restoring nuclear energy infrastructure.

In practice, Russia limited itself to verbal support and condemnation of Israeli attacks, The Moscow Times writes.

In 2024, Israel had already destroyed all Russian S-300 systems stationed in Iran in retaliation for Iranian missile strikes, while newer S-400 systems promised by Moscow were never delivered.

Previously, it was reported that Iran was seeking to restore its defense capabilities, focusing in particular on air defense and electronic warfare systems that were heavily damaged during the war with Israel. To achieve this goal, Tehran intends to rely on Belarus as a key partner.

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