The location of Iran’s enriched uranium stockpile remains uncertain nearly two months after US military strikes targeted key nuclear facilities, raising fresh concerns about transparency and oversight. The material, estimated at roughly 22,000 pounds, had steadily accumulated over years following the US withdrawal from the 2015 nuclear agreement. That deal had previously imposed strict limits on enrichment levels and stockpile size, effectively curbing Iran’s ability to produce weapons-grade material.

Uranium enrichment remains central to the issue, as the process becomes significantly faster once higher purity levels are reached. While low enrichment supports civilian energy needs, higher concentrations can be used for nuclear weapons. Iran’s move to enrich uranium up to 60 percent in recent years placed it closer to that threshold, intensifying international concern.

Efforts to revive diplomatic agreements failed, and subsequent escalation led to direct military action targeting facilities such as Natanz and Fordow, along with storage areas near Isfahan. Shortly after, Iran halted cooperation with international inspectors, effectively ending on-the-ground verification. Without access, monitoring now relies heavily on satellite surveillance, which cannot fully confirm the condition or location of nuclear materials.

Experts suggest that even if Iran retains access to the stockpile, converting it into a functional weapon would require additional time and technical capacity. However, the absence of inspections creates uncertainty. Analysts warn that if portions of the uranium were relocated or secured in undisclosed sites, Iran could potentially resume enrichment activities without detection, complicating global efforts to assess the true state of its nuclear program.