The Natural Philosopher wrote:

The problem is the USA in particular, and the west in general are only
to aware that once you have reactor grade uranium, you can make a fast
breeder reactor to create weapons grade plutonium. Nasty.

No breeder is required. Enriched uranium fuel will produce plutonium in a simple thermal
reactor. Doesn't even need to be a power reactor.You just need to be careful with the burn
rate and extract the used fuel earlier rather than later, so the plutonium itself isn't
burnt up.

Graham