However, every launch of their booster stack is a valuable test. They get information on the performance of their 3 stages no matter what is sitting on top. Every satellite launch is useful in wringing out issues with the vehicle. I'm sure they are working on other less peaceful payloads too.
How much weight is necessary for an EMP? Their latest test was thought to be small, IIRC, but right for a super EMP. Am I understanding that correctly?
Peter Vincent Pry said back in 2012 that the Norks had the power to EMP attack us. See http://www.washingtontimes.com/news/2012/dec/19/north-korea-emp-attack-could-destroy-us-now/?page=all