Analysis of information sources in references of the Wikipedia article "Hyunmoo" in English language version.
However, the tested missile is also very similar to two other known systems, the Hyunmoo-2 fielded by South Korea and the Ukrainian Grom (sometimes Hrim), which is reportedly under development. All four missiles appear to share the same external dimensions and features, with only minor differences in the shape of the nose cones.
South Korea has what many believe is its own Iskander-inspired missile — the Hyunmoo-2
South Korea itself has a short-range missile that looks quite a lot like the Iskander called the Hyunmoo-2 ("Black Warrior").[...] Some experts believe that Russia and South Korea cooperated on the Hyunmoo design, just as Russian fingerprints appear to also be on the North Korean missile.
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