The key issue making the publication remarkable is that the shown geometry is quite plausible as an internal structure of a two stage weapon, but is being discl

The key issue making the publication remarkable is that the shown geometry is quite plausible as an internal structure of a two stage weapon, but is being disclosed through a censorship regime that typically thinks the precise length of the enclosing cone is classified. So a even a diagram that is abstracted and slightly fudged would be a huge departure from what the censors usually think is ok, which is weird!