Big weights with fissionable materials inside. I handled nucs in my USAF career and know that even then that permissive action link codes were not inserted to unlock and enable them but nothing could stop the removal of the material for use in another easily made weapon.
Yes, but the other thing here is, if you can build a reactor with a graphite moderator, burn non-enriched uranium in it, you can chemically easily recover Plutonium and build your own that way as well.
That is why I think the whole thing with Iran is a drama both sides of isle use to warrant having Iran out there as a threat that can be beat on at will.
The time they pushed a power plant online, they were making bomb material, material that works even better than U235.
It’s all international drama.
Sorry for the hijacking of your post :)
Are they still looking for one lost off the east coast or in a bay out there?
What happens when the casing rusts out and..