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Jim Bob's avatar

For some context regarding the missing uranium. Natural uranium is only composed of 0.07% of the fissile isotope U235. Even if we assumed the missing material was >99% uranium oxide, and assuming perfect enrichment, and zero material loss you get a theoretical maximum of 35 lbs. of U235, or ~39 lbs. of 90% enriched. It might be BS, but the Wikipedia entry for the Little Boy device stated 141 lbs. of the enriched uranium was used.

Not great, but not terrible.

EG's avatar

I served in NATO during that period and was directly involved in OUP. It made me feel dirty and fueled retirement decision.

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