An important feature of the Iranian regime's nuclear program is that several sites and centers where nuclear-related activities are conducted are situated in sprawling military complexes that also house scores of tunnels and silos. This not only makes IAEA access to these locations more difficult, but also makes it possible to relocate these centers and projects to other locations within the complex," Alireza Jafarzadeh, an NCRI official, told Fox News, adding "As such, if it becomes necessary to relocate a project or center, it can easily be moved to a different silo or tunnel w