Can that be done safely?
It can be done with conventional explosives and no nuclear reaction. Any radiation residue is their problem. We can’t allow these weapons to fall into Moslem hands like they are mere drones or 5.56mm ammo.
No.
I was based in Incirlik in 1980 as a nuclear weapons specialist.
Enter the code for the permissive action link incorrectly a few consecutive times and the device is rendered non functional. It would take a complete reassembly.