Avatar photoFun with Molybdenum

Molybdenum seems to be something that just won’t go away! Most people feel it is one of the reasons Iran appears willing to ship its indigenously enriched LEU first to France to be further purified and then to Russia to be enriched to the 19.75% U235 the TRR now uses. (See the latest ISIS technical …

Avatar photoTRR Tradeoffs

The immediate advantages of last week’s agreement-in-principle between Iran and the P5+1 / E3+3 are pretty clear. Iran gets about five years’ worth of fuel for the Tehran Research Reactor (TRR). And removing 1,200 kg of Iran’s LEU and returning it as fuel takes away the much-discussed breakout option for the near term, as James …

Avatar photoCan CTM Bust Russian Silos?

The Russians have made a lot of noise about the possibility that advanced conventional weapons in the US arsenal place their nuclear forces at risk and, as a corollary, that certain capabilities should be included in future arms control negotiations. Which raises an interesting question — do they? Can the proposed Conventional Trident Modification (CTM) …

Avatar photoA Primer on Iran’s Medical Reactor Plans

A swimming pool-type reactor similar to the TRR in Iran whose fuel is apparently the subject of a deal between Iran and the P5+1. The eerie blue light is Cherenkov radiation given off as subatomic particles streak through the surrounding water. ( Techno-Wonk Alert: There are a lot of numbers in this post so if …