...an unclassified summary of a JASON review of plutonium aging in nuclear weapons... found that most plutonium weapon "pits" have "credible lifetimes of at least 100 years." This important conclusion diminishes the case for any new nuclear weapon development.
See the unclassified executive summary (pdf) of the JASON report on "Pit Lifetime" (flagged by ArmsControlWonk.com).
blog entry | Secrecy News
Spitting Image search plutonium pits
Posted by Stubbornson at December 1, 2006 08:05 AM