Is Iran’s Pickaxe Mountain beyond the reach of US bunker-busters?

AL-MUKALLA: Between June 13 and 24 last year, Israel and the US launched a series of attacks designed to cripple Iran’s nuclear program. The target list included the Natanz and Fordow enrichment plants, the Isfahan Nuclear Technology Center, an under-construction heavy-water reactor at Arak, and dozens of other sites, including centrifuge-production facilities, laboratories and research centers. On June 25, four days after American aircraft and missiles struck Fordow, Natanz and Isfahan, US Pres