What We Know About the Fate of Iran’s Nuclear Program

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President Trump’s claimed Iran’s capabilities were “obliterated.” The full extent of the damage is still emerging.

June 26, 2025, 5:31 p.m. ET

This weekend, President Trump declared that Iran’s nuclear capabilities were “completely and totally obliterated” by U.S. airstrikes. The full extent of the damage, which is being assessed by U.S. spy agencies, is still unclear.

Several disclosures and claims by U.S. and United Nations officials, along with satellite images taken after the U.S. and Israeli airstrikes, have shed some light on the situation in Iran:

A leaked U.S. intelligence report said the attacks set back Iran’s nuclear program by only a few months — a finding disputed by Mr. Trump.
The C.I.A. director, John Ratcliffe, said on Wednesday the strikes had “severely damaged” Iran’s nuclear program.
Rafael Grossi, the head of the International Atomic Energy Agency, said on Thursday that centrifuges at the deeply buried Fordo uranium enrichment plant are “no longer operational,” but that it would be “too much” to assert that Iran’s nuclear program had been “wiped out.”

Here’s what we know so far about the state of Iran’s nuclear program after the Israeli and U.S. attacks:

Fordo nuclear site

Deep inside a mountain,

Fordo is said to contain close

to 3,000 sophisticated centrifuges

in two enrichment halls.

IRAN

Security perimeter

Fordo nuclear site

IRAN

Deep inside a mountain,

Fordo is said to contain close

to 3,000 sophisticated centrifuges

in two enrichment halls.

Security perimeter

Fordo nuclear site

Deep inside a mountain,

Fordo is said to contain close

to 3,000 sophisticated centrifuges

in two enrichment halls.

IRAN

Security perimeter

The Fordo site contained thousands of Iran’s most advanced centrifuges to enrich uranium, which could be used in a nuclear weapon. In 2023, the International Atomic Energy Agency, the U.N. nuclear watchdog, reported that it had discovered uranium that had been enriched to 83.7 percent purity at Fordo — just under the 90 percent required for a weapon.

Satellite images taken shortly after the U.S. airstrikes reveal damage and likely entry points for the American bunker-buster bombs. The images show distinct changes in the ground’s appearance and gray dust near the possible strike locations.

After strikes

June 22

Entrance tunnel

filled with dirt

Fordo nuclear site

Entrance tunnels

filled with dirt

Entrance tunnel

filled with dirt

Debris

Main enrichment hall thought

to be deep underground