"...there is strong information that makes us suspicious but we lack conclusive evidence that the intended purpose of the underground site is nuclear related." --US Ambassador Charles Kartman, 21 November 1998 [1] What is Kumchang-ri? Kumchang-ri is an underground site located northwest of Yongbyon, North Korea's frozen nuclear complex. It has been speculated that the site housed, or was intended to house a nuclear reactor or reprocessing facility.[2] Construction of Kumchang-ri is estimated to be complete within two to six years, depending on the amount of foreign assistance received.[3] North Korea continues to deny reports that the site is nuclear-related...