WASHINGTON: Satellite images show that Iran has recently built a concrete shield over a new facility at a sensitive military site and covered it in soil, experts say, advancing work at a location reportedly bombed by Israel in 2024 amid tensions with the US Images also show that Iran has buried tunnel entrances at a nuclear site bombed by the US during Israel’s 12-day war with Iran last year, fortified tunnel entrances near another, and has repaired missile bases struck in the conflict.
They offer a glimpse of Iranian activities at some of the sites at the centre of tensions with Israel and the US, as Washington seeks to negotiate a deal with Tehran on its nuclear programme while threatening military action if talks fail. Here are some images showing the changes:
Some 30 km (20 miles) southeast of Tehran, the Parchin complex is one of Iran’s most sensitive military sites. Western intelligence has suggested Tehran carried out tests relevant to nuclear bomb detonations there more than two decades ago. Iran has always denied seeking atomic weapons.
Israel reportedly struck Parchin in October 2024.
Satellite imagery taken before and after that attack shows extensive damage to a rectangular building at Parchin, and apparent reconstruction in images from November 6, 2024.
Imagery from October 12, 2025 shows development at the site, with the skeleton of a new structure visible and two smaller structures adjacent to it.
Progress is apparent in imagery from November 14, with what appears to be a metallic roof covering the large structure. But imagery from December 13 shows the facility partly covered.
By February 16, it cannot be seen at all, hidden by what experts say is a concrete structure.
The Institute for Science and International Security (ISIS), in a January 22 analysis of satellite imagery, pointed to progress in the construction of a “concrete sarcophagus” around a newly built facility at the site, which it identified as Taleghan 2.
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