A North Korean freighter that made a rare cargo delivery to Russia last month has reappeared near a DPRK missile production hub, NK Pro analysis of vessel tracking data shows, raising questions about the ship’s role in military cooperation between Moscow and Pyongyang.

A joint investigation by NK Pro and the Royal United Services Institute previously showed that the 6,843-ton Kum Ya (IMO 9004073) offloaded and picked up unidentified cargo at the Russian port of Nakhodka in early July, after sailing to key coal-smuggling hotspots in China and the North Korean city of Chongjin earlier in the