Iran Fortifies Nuclear Sites Amid US Diplomacy

Satellite imagery analyzed by experts reveals that Iran has been reinforcing several key military and nuclear facilities in recent months, including sites previously damaged in strikes by Israel and the United States, as diplomatic efforts to curb Tehran's atomic program continue amid escalating tensions.

The images, captured from late 2025 through February 2026, show construction and concealment activities at locations central to international concerns over Iran's nuclear ambitions. At the Parchin military complex, about 30 kilometers southeast of Tehran, analysts observed the completion of a concrete structure encasing a new facility known as Taleghan 2. This building, which includes what appears to be a long cylindrical chamber potentially used as a high-explosives containment vessel, has been covered with soil to blend into the surrounding landscape. Such vessels can serve conventional military purposes but are also associated with nuclear weapons testing, according to assessments from the Institute for Science and International Security. The site sustained damage from an Israeli strike in October 2024, and reconstruction efforts accelerated afterward, with the facility...