UNDISPUTABLE EVIDENCE: SATELLITE IMAGERY OF IRAN NUKE DEVELOPMENT...
Via a Reuters report today, the Institute for Science and International Security (ISIS) has released new commercial imagery of Iran's nuclear enrichment facilities taken by DigitalGlobe just a few weeks ago. The images are in a PDF report by Paul Brannan and David Albright, the latter an ex-UN arms inspector and nuclear proliferation expert. (ISIS, whose motto is "Employing science in the pursuit of international peace" has impeccable non-partisan credentials.)
The PDF is fascinating, but the main images lack easy historical comparisons. Luckily, Google Earth already has very high resolution imagery of both the Natanz and Isfahan sites from a few years ago, also taken by DigitalGlobe. What I've done is repurpose the images from the PDF, which are annotated, as overlays on Google Earth, so that we can see the progress in the construction at both sites over the past few years.
Here is the KMZ file.
The best way to compare Google Earth's base imagery with the overlays is to play with the transparency slider at the bottom of the Places panel.
There are two sites covered. Isfahan is where uranium is first processed and where a storage facility is being built underneath a mountain. Here is what it looks like in Google Earth, from a few years ago:
And as of March 23, 2006, courtesy of ISIS and DigitalGlobe:
Once the uranium is processed into UF6, it is ready to be enriched at Natanz, 130km to the north. Here, two "cascade halls" have been progressively buried under successive layers of concrete and earth. These facilities are where the thousands of centrifuges are expected to be located that will increase the percentage of the uranium-235 isotope, which is the component needed for both nuclear energy and nuclear bombs. (A concentration of 3.5% is sufficient for nuclear energy. 80% is required for a nuclear bomb.)
Here are the facilities in Google Earth, from a few years ago:
And here they are, on February 25, 2006:
ISIS's PDF report also shows smaller images of these halls being covered up progressively over the past few years.
Both these sites will be military targets if diplomacy fails to steer Iran away from its nuclear weapons program — either for US missiles or, failing that, Israeli planes. The spectre raised by the Seymour Hersh article in last week's issue of the New Yorker is that the US may be thinking of using tactical nuclear weapons to get to the facilities.
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