New satellite images reveal Iran is strengthening an underground tunnel near a nuclear site amid tense U.S. negotiations, with Trump threatening military action if a new deal is not reached.
On 12 Feb 2026, the Institute for Science and International Security released a report analyzing the latest satellite images, stating that Iran is reinforcing an underground base near one of the country's nuclear plants amid rising tensions with the U.S.
The report states that satellite images dated 10 Feb 2026 show the entrance to a tunnel at Kolang Gaz La Mountain, also known as "Pickaxe Mountain," being structurally reinforced. Experts assess that this site may be designed to protect uranium enrichment activities or critical related equipment.
Meanwhile, the satellite images also show what appears to be fresh concrete poured over the entrance to one of the Pickaxe Mountain tunnels, with analysts agreeing that concrete pump trucks were used in the area.
However, the exact purpose remains unclear, and there is no confirmation whether the facility is operational. Iran has consistently maintained its nuclear program is peaceful and denies allegations of developing nuclear weapons.
This development comes as negotiations between Iranian and U.S. officials continue, with President Donald Trump threatening further military action if Iran refuses to agree to a new nuclear deal.
Earlier, in June 2025, President Trump stated Iran might need only one month to acquire nuclear weapons and ordered airstrikes on three underground nuclear facilities during a 12-day conflict between Israel and Iran. Trump claimed the strikes destroyed Iran's uranium enrichment capabilities, but Iranian officials are reportedly considering establishing a new site.
Source: BBC