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New Scientist magazine is reporting that problems with a super-secret material manufactured at the Y-12 nuclear weapons plant are what's holding up efforts to refurbish W76 warheads, which are deployed on Trident missiles.
According to the magazine's report by Rob Edwards, the material is code-named "Fogbank" and is extremely hazardous. It is reportedly produced at Y-12's new Purification Facility, a $50 million facility that was completed in mid-2005.
Straight away, the NNSA realized that Fogbank could be a problem because, as the GAO would later report, they had "kept few records of the process when the material was made in the 1980s and almost all the staff with expertise on production had retired or left the agency." The NNSA briefly considered creating a substitute for Fogbank, but ultimately decided that since they had made it before, they would be able to make it again...A year later--and with an additional $69 million spent--the NNSA finally rediscovered a workable way to manufacture Fogbank.