Analysis of information sources in references of the Wikipedia article "Burkan-2" in Indonesian language version.
However, it would be difficult for Iran to ship entire ballistic missiles to Yemen. The only rebel-controlled port where heavy weapon systems could be unloaded is Al-Hudaydah, but coalition and Western navies are imposing a UN-approved blockade that only allows vetted vessels to dock.
A Burkan-2H ballistic missile that was shown to a television news team showed no indication it had been intercepted by a Saudi Patriot air defence system as claimed.