Avatar photoClustering Engines, Adding Up the Weights

In an unfortunately title article in Jane’s Intelligence Review (“Safir When Ready: Iran sets its sights on long-range capability”; sorry, its subscription only) I discussed why I interpreted pictures of the test-stand version of a Safir second stage as indicating Iran was developing a new advance in its missile program: a clustering of two engines …

Avatar photoChinese-English Nuclear Security Glossary

The National Academies is having a release party (ok, release event) for the English-Chinese, Chinese-English Nuclear Security Glossary. I saw Ben Rusek and Wu Jun give a joint talk on the subject in Qingdao. Be there or B 2 Sorry, math joke. The Committee on International Security and Arms Control (CISAC) of the U.S. National …

Avatar photoMoving ‘em Out to Move Them Up

Yesterday, I discussed the possibility that Iran was learning techniques that might help them utilize higher energy fuels such as UDMH and nitric acid. However, the evidence for such use is rather minimal. The case we examined yesterday was not very convincing and, while there is still room for doubt (see Jochen Schischka’s comments), I …

Avatar photoIAEA Reports on Iran, Syria

Implementation of the NPT Safeguards Agreement and relevant provisions of Security Council resolutions 1737 (2006), 1747 (2007), 1803 (2008) and 1835 (2008) in the Islamic Republic of Iran, GOV/2008/59 (November 19, 2008). Implementation of the NPT Safeguards Agreement in the Syrian Arab Republic, GOV/2008/60 (November 19, 2008). I think we beat our friends at ISIS, …