Jones: NK test probably not full-yield H-bomb but pure fission or H-bomb development device. And too heavy for ICBM. https://nebula.wsimg.com/871aa9ff0e83997abb8e714bb3b0d2be?AccessKeyId=40C80D0B51471CD86975 …pic.twitter.com/MrfzMQ6Fgs
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Using the term "improbable" to mean "doesn't fit with the 50-year-old n=5 cases we know really well" seems like kind of a stretch.
Esp with access to modern computing resources
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