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IAEA Points to Isfahan Tunnels for Iran’s 60% Uranium as U.S. Weighs Risky Ground Option

U.S. planners caution that securing the buried stock would require a large, hazardous ground mission.

Overview

  • IAEA chief Rafael Grossi said a bit over 200 kilograms of Iran’s 60% enriched uranium was stored at Isfahan before inspections stopped and is likely still there, though the agency cannot verify its status without access.
  • Iran had 440.9 kilograms of 60% material before last June’s strikes, which the IAEA says could supply fissile feedstock for roughly 10 weapons if further enriched to around 90%.
  • Current and former U.S. officials told CNN that airstrikes likely cannot neutralize the Isfahan tunnel complex, prompting discussions of a JSOC-led infiltration with specialized render‑safe teams and substantial perimeter and logistics forces.
  • Open-source imagery reviewed by CNN shows at least six MC‑130J aircraft operating from RAF Mildenhall, positioning special-operations lift closer to potential mission routes.
  • President Donald Trump has not ruled out deploying ground troops to secure the uranium but said he is nowhere near a decision, as Grossi and experts stress that diplomatic and technical engagement remains necessary to resolve access and safeguards.