A UN Security Council resolution passed in the days after the 2015 Iran nuclear deal has expired.
That could lead Russia to seek ballistic missiles from Iran as it steps up its attacks on Ukraine.
UN Security Council Resolution 2231 was passed in July 2015, days after the US and Iran agreed on the Iran nuclear deal.
Russia continues to produce its own missiles and drones, but its constant attacks on Ukraine have strained its supplies.
Iran's Zolfaghar Basir, top, and Dezful short- and medium-range ballistic missiles in Tehran in January 2022.
Persons:
—, Morteza, Iran's Zolfaghar, Anton Mardasov, Mardasov, Rosoboronexport, Farzin, Moscow hasn't, Nadimi, Paul Iddon
Organizations:
UN Security, Service, UN, EU, Missile Technology Control, Iran's, Washington, UN Security Council, Moscow, Iranian, Business, Mardasov, Iranian Army, Anadolu Agency, Getty Images, Washington Institute for Near East
Locations:
Iran, Russia, Ukraine, Moscow, France, Germany, China, Tehran, Shahed, Russian, East, Syria, Israel, Arab, Iranian, Getty Images Russia