[ARealMothersSonForever]

was the 1st test a dud?

No. The Russians said it looked real enough. It is just that the Useless Nations can not decide what color of paper to scribble their note on. Mainly because there is still an active state of war on the Korean peninsula. A war that the UN brought about. Now they are in a corner.

[JasonC]

The Russians said what the yield was supposed to be because their clients told them what they were going to do in detail before they did it. They then made the mistake of quoting that planned yield to the press, before the reports that in fact it was a squib only a tenth that size.