A North Korean cargo ship that sailed from Busan to Nampho earlier this year likely delivered heavy machinery in violation of U.N. sanctions, while Pyongyang appears to have tapped the same network it used to purchase the vessel to acquire a second ship for its merchant fleet, according to a joint investigation by NK Pro and the Royal United Services Institute (RUSI).

The findings shed new light on the An Hai 6’s (IMO 8355786) rare voyage directly from South to North Korea and reveal how the Anni (IMO 8356584) repeated that journey just weeks later — with both vessels