Nukes.
There is speculation that North Korea might celebrate October 10 with a missile launch. It is an important Anniversary in North Korea.
North Korea has H-bomb warheads, atomic warheads, and chemical warfare warheads for their missiles.
I started a thread where I argued for using nukes.
There is some discussion about CLEAN NUKES in that thread.
I am not sure how CLEAN the warheads would be. But it is the fission trigger (minimal part of H-bomb) that is dirty.
Article on internet said that enclosing warhead in LEAD contains the dirty stuff...