Am quite comfortable with the true facts to be accepted whether presented by your or whomever.
I'm ignorant of such technologies and have to take on faith what either of you say.
But having two government trained folks discuss such on this thread could be informative for us and relate fairly directly to the nuke hazard, imho.
The products exist. Some were reported missing. There are reports that AQ has them, perhaps in CONUS.
How they work doesn't matter.