South Africa's weapons were made with enriched uranium [1]. Blending highly enriched uranium into power reactor fuel is relatively straightforward. The weapons

South Africa's weapons were made with enriched uranium [1]. Blending highly enriched uranium into power reactor fuel is relatively straightforward. The weapons discussed in this article are made with plutonium. There are a few facilities in the world for blending plutonium with uranium for power reactor fuel, but none that are designed to handle weapons grade plutonium. The US tried to build such a facility but it went badly over budget and over schedule and was cancelled: https://news.ycombinator.com/item?id=33868375 https://news.ycombinator.com/item?id=33868375 [1] https://en.wikipedia.org/wiki/South_Africa_and_weapons_of_mass_destruction#Nuclear_weapons https://en.wikipedia.org/wiki/South_Africa_and_weapons_of_ma...