The intelligence agencies of Japan, South Korea and the United States have confirmed that a North Korean freight train transported unknown materials to the Tongchang-ri launch site recently.
By Sungwon Baik / VOA (North Korea Rocket Launch – Photo Galleries) [Public domain], via Wikimedia Commons
During the last long-range rocket test by North Korea in 2012, a freight train carried those rocket parts from the same factory in Sanumdong to the launch site in North Pyongan province.
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