Popular Mechanics: Why It's So Hard To Build an ICBM
It's not just North Korea that has struggled with the technology.
The complexity of intercontinental ballistic missiles (ICBMs) is so extreme that merely building one has, over the decades, become a source of national pride. Fewer than ten countries have do it, and when one gets there, as North Korea has begun testing with the Hwasong-14, there are hopes that it can usher in a new era in the country's history.
But what makes ICBMs so hard to built?
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WNU Editor: It's good to know that designing and building an ICBM is not that easy .... but the North Koreans are making strides.