No "smoking gun" from North Korean nuclear test

“No ‘smoking gun’ from North Korean nuclear test”

If the smoke were to be black, would that mean they’re undecided on the name of their new nuke?

I doubt that the author would want to stick his head down the barrel of a smoking, nuclear gun. The material was U-235, but their improving tunnel technology should make it nearly impossible to confirm. However, improving tunnel technology also leads to silos, so finding missiles will prove difficult until launchings occur. North Korea has many mountains into which tunnels and silos can be built. I knew everyone would want to hear that joyous news.