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In March 2026, the world watched as the skies over Tehran cleared following a joint U.S.-Israeli operation targeting Iran’s leadership. However, the anticipated reaction from Russia, a key ally of Iran, was surprisingly subdued. Despite having signed a strategic partnership treaty with Tehran just a year prior, Moscow’s response was limited to issuing statements of condemnation and advocating for diplomatic solutions.
Kremlin spokesperson Dmitry Peskov addressed the situation by noting that Iran had not reached out to Russia for military support. “There were no requests from Iran in this case,” Peskov informed reporters on March 5th, as reported by Reuters.
For those analyzing the complex dynamic between Moscow and Tehran, this development was not unexpected. “The relationship has always been transactional,” explained Ksenia Svetlova, who serves as the executive director of the Regional Organization for Peace, Economy, and Security (ROPES) and is an associate fellow at Chatham House. “Russia acts in accordance with its own interests.”
While the ties between Iran and Russia have strengthened, particularly following Russia’s 2022 invasion of Ukraine, experts argue that their partnership stops short of being a genuine alliance. Instead, it is characterized by a history of cooperation driven by mutual convenience, competition, and evolving geopolitical demands.
The relationship was highlighted during a meeting on June 23, 2025, when Russian President Vladimir Putin warmly welcomed Iranian Foreign Minister Abbas Araghchi at the Kremlin in Moscow. (Photo by Alexander Kazakov, Sputnik, Kremlin Pool Photo via AP)
The Shadow of Turkmenchay
The uneasy relationship between the two powers stretches back nearly two centuries. In 1828, the Treaty of Turkmenchay forced Persia to cede large parts of the Caucasus to the Russian Empire after a military defeat. The treaty remains one of the most painful symbols of foreign domination in Iranian political memory.
In the twentieth century, Russia’s relationship with Iran shifted dramatically. Before the 1979 Islamic Revolution, Moscow maintained relatively stable ties with Iran under Shah Mohammad Reza Pahlavi. “It actually had good relations with the Shah who visited Moscow after World War II,” Svetlova said.
“But Communist Russia was very suspicious of Islamist Iran after the 1979 revolution,” said Svetlova. It was a mutual distrust; Ayatollah Ruhollah Khomeini denounced both Cold War superpowers, calling the United States the “Great Satan” and the Soviet Union the “Lesser Satan.”
Even during the Iran-Iraq War of the 1980s, the Soviet Union maintained ties with Tehran while simultaneously supplying weapons to Iraq. “The Soviet Union was very suspicious of Islamist Iran,” Svetlova said. “Even after the revolution, the relationship could not really be considered an alliance.”
Iran uses Russia exercises to reposition strike drones in Strait of Hormuz, a defense expert said. (Iranian Army/Handout/Anadolu via Getty Images)
The Drone Marriage
In recent years, however, geopolitical pressures pushed the two countries closer together. Russia’s full-scale invasion of Ukraine in 2022 created new military cooperation between Moscow and Tehran.
Though Russia and Iran have not shared a land border since the 1991 collapse of the Soviet Union, they remain “neighbors” via the Caspian Sea. This “blue border” became a vital artery in 2022 when Iran supplied the Shahed-series drones used in Ukraine, that Russia has used extensively in attacks on Ukrainian infrastructure.
Vice Adm. Robert S. Harward, a retired Navy SEAL and former deputy commander of U.S. Central Command, said the partnership has had direct consequences on the battlefield. “Sadly, the world is just now getting a taste of Iranian drones. But there’s one group that already knows them well, the Christians in Ukraine,” Harward said. “Close to 600 Ukrainian churches have been destroyed by Russian attacks, including from the Iranian Shahed drones.”
The remains of a Russian-made, Iran-designed Shahed-136 drone, known in Russia as a Geran-2, are displayed with other recovered drones, glide bombs, missiles and rockets in Kharkiv on July 30, 2025. (Scott Peterson/Getty Images)
Carrie Filipetti, executive director of the Vandenberg Coalition and a former deputy assistant secretary of state, argued that Russia’s continued use of Iranian drones against Ukrainian targets underscores the depth of the military relationship, while its calls for restraint in the current conflict highlight a fundamental contradiction. “If Russia were serious about peace, we would see a ceasefire with Ukraine months ago,” she said. “Yet, Putin continues to attack Ukrainian cities, churches and civilians with Iranian drones day after day.”
And yet, Russia’s dependence on Iranian drones during the early stages of the Ukraine war has also diminished as Moscow built its own production capacity. A report cited by the Washington Post found that Russia has “transitioned from importing Iranian Shahed drones to mass-manufacturing them” under the name Geran-2.
Limits and Intelligence
War Secretary Pete Hegseth said Tuesday that Russia “should not be involved” in the escalating conflict between the United States, Israel and Iran, as reports that Russia has provided information that could help Iran identify U.S. military assets in the Middle East emerged. Moscow has not publicly confirmed the claims.
“I believe Russia is providing Iran intelligence to more effectively target Americans, our allies and partners in the CENTCOM region,” said Lt. Gen. Richard Y. Newton III, a retired Air Force officer who served as assistant vice chief of staff of the U.S. Air Force. “It’s absolutely clear Russia is not our friend.”
Members of the Iranian Navy attend the joint Navy exercise of Iran, China and Russia in the Gulf of Oman, Iran, in this handout image obtained on March 12, 2025. (Iranian Army/WANA (West Asia News Agency)/Handout via Reuters)
“They are doing for the Iranians without spending money, spending troops or spending equipment,” Svetlova added. “They share knowledge. They supplied the Iranians with a target list, basically, through their satellites – American targets, but also air targets in the Gulf and Iraq.”
Harward argued that confronting this growing cooperation requires a broader strategy. “If we want to break the threat of the increasingly dangerous Russian-Iranian alliance, we need to fully decimate Iran’s capabilities to threaten our allies and the United States – and we need to continue to support Ukraine and get Europeans to do their part,” he said.
Filipetti remains skeptical of Moscow’s role as a mediator. “The idea that Russia would call on the U.S. and Israel to cease military operations against the regime in Iran and suggest that we should negotiate is absurd,” Filipetti said.
Russian President Vladimir Putin (L) meets with Iran’s Supreme Leader Ayatollah Ali Khamenei in Tehran. ((Photo by Dmitry AZAROV / SPUTNIK / AFP) (Photo by DMITRY AZAROV/SPUTNIK/AFP via Getty Images))
Although Russia is falling short of helping Iran in a straightforward military way, experts say the cooperation in the world of intelligence has been profound.
Ultimately, Newton argued that Russia’s actions should be viewed through the lens of President Vladimir Putin’s broader geopolitical goals. “Putin only does what serves Putin, and right now escalating the war in the Middle East and driving up oil prices only serves his interests so he can continue to fund his war machine against Ukraine,” he said.