The problem for the Norks is that missiles leave radar tracks.
The worse problems for us is, smuggling a fission or even a fission-fusion weapon into the US would be child’s play for Russia, the PRC, the Norks, and of the Woggie countries, etc.
41 posted on 12/18/2016 7:30:07 PM PST by Strac6
("We sleep safe in our beds only because rough men stand ready to visit violence on the enemy.")