Institute for Science and International Security

Iran’s rulers are true believers  

That’s why they’re so difficult to deter or constrain

Trump Points to Iran’s Resumption of Nuclear Activities at a New, Deeper Site

President Donald Trump’s remarks on Iran’s resumption of covert nuclear activities at an underground site highlight lingering concerns over the status of the Tehran regime’s nuclear program as Operation...

Strikes on Iranian Nuclear Sites Signal Resolve To End Tehran’s Nuclear Weapons Program

Four strikes on Iranian nuclear facilities during the current U.S.-Israeli military campaign underscore both allies’ determination to eliminate Iran’s remaining pathways to nuclear weapons. The...

Countering Iran’s Covert Chemical Weapons Program

The Nuclear Threat After Tehran Falls

In the event of regime change, the world should be ready to secure Iran’s uranium and reactors.

New Activity at Iranian Nuclear Site Shows Determination To Rebuild Program

The United States and Israel may need to strike Iran again to keep nuclear weapons out of Tehran’s grasp. Construction is nearing the final stages at a former nuclear weapons site destroyed by Israel...

Russia Recruits Young Migrant Women from Latin America to Build Iranian Drones

IAEA Chief Assesses Iran’s Enriched Uranium Stockpile Remains Inside Sites Destroyed by Israel and U.S.

Enriched Uranium Entombed at Destroyed Sites: International Atomic Energy Agency (IAEA) Director Rafael Grossi revealed his agency’s assessment that most of Iran’s highly enriched...

Russia Lures Young Migrant Women from Latin America to Build Drones

The Foundation for Defense of Democracies (FDD) has discovered Russian efforts to recruit young migrant women from Latin America to build drones to sustain its war of aggression in Ukraine. The Alabuga...

‘Total Obliteration’: Trump Highlights Post-Strike Damage Assessments of Iran’s Nuclear Facilities

Trump Disputes Leaked U.S. Assessment: President Donald Trump disputed a leaked U.S. Defense Intelligence Agency preliminary assessment that minimized the extent of damage caused...

Israel May Need U.S. Help to Take Out Key Iranian Nuclear Site Before Disaster Strikes

Iran is relocating its enriched uranium stocks for protection against Israeli strikes and will not tell the UN’s nuclear watchdog where, the nation’s deputy foreign minister said Saturday. The move...

Nuclear Cooperation Among the ‘Axis of Aggressors’: An Emerging Threat

9 Myths About Iran’s Uranium Enrichment Program

President Trump and his administration have demanded that Iran agree to the full, verifiable, and permanent dismantlement of its atomic weapons program — including the regime’s ability to produce enriched...

Any Iranian Enrichment Gives Tehran a Path to Nuclear Weapons

Washington has restated its red lines on Iran. On May 7, President Donald Trump and Vice President JD Vance reiterated the administration’s demand that Iran peacefully dismantle its nuclear weapons program, including uranium enrichment as well as its plutonium reprocessing capabilities — key processes that make fuel for atomic arms — or face military action.

‘None Of Your Business’: Iran Rebuffs IAEA Chief’s Concerns Over Tunnels Built Around Nuclear Site

Grossi Asks for Clarification on Tunnels, New Security Perimeter: Rafael Grossi, the director general of the International Atomic Energy Agency (IAEA), said on April 24 that he...

The Iranian Negotiating Tactic the Trump Administration Doesn’t Get

Sanctions and ‘maximum pressure’ have never made the clerical regime abandon its nuclear ambitions.

Iran’s Nuclear Disarmament

The Only Deal That Protects U.S. and Allied Security

Iran’s Nuclear Weapons Potential Leaps Ahead of IAEA Meeting

Iran’s major strides in its march towards a nuclear weapon hang ominously over the meeting of the International Atomic Energy Agency (IAEA) Board of Governors in Vienna on March 3-7. The nuclear monitoring...

Detecting and Halting an Iranian Weaponization Effort

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Trump should get tough again on chemical weapons states

The media has largely ignored a disturbing trend: Russia is openly using chemical weapons against Ukraine. Ukraine’s army support services say Russia has carried out 4,800 chemical...