Iran is not known to currently possess weapons of mass destruction and has signed treaties repudiating the development and possession of WMD including the Non-Proliferation Treaty, Biological Weapons
Joe Biden's Secretary of State Antony Blinken did not rule out a military intervention to stop Iran from obtaining nuclear weapons.
Iranian soldier with gas mask under chemical bombardment by Iraqi forces in the battlefield during the Iran–Iraq War
Nuclear program of Iran
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The nuclear program of Iran consists of an extensive infrastructure of research sites, uranium mines, research reactors, uranium processing facilities, enrichment sites, the Bushehr Nuclear Power Plan
An Iranian newspaper clip from 1968 reads: "A quarter of Iran's nuclear energy scientists are women." The photograph shows some female Iranian PhDs posing in front of Tehran's research reactor.
Negotiations about Iranian Nuclear Program, the Ministers of Foreign Affairs and Other Officials of the P5+1 and Ministers of Foreign Affairs of Iran and EU in Lausanne, April 2015
Arak IR-40 complex, a heavy water reactor and production plant
The words "Death to Israel" in Persian displayed on a parade in Iran. Some analysts view Iran's nuclear program as a threat to Israel's security.