While all things in North Korea are cloaked in secrecy, it appears that this new reactor could produce material for nuclear weapons – potentially expanding North Korea's small stockpile.
Is North Korea almost done building a new, experimental light water reactor at its Yongbyon nuclear facility? Two well-known US nonproliferation experts think that’s the case. In an analysis of commercial satellite imagery posted at the North Korea-centered blog 38 North, Jeffrey Lewis of the James Martin Center for Nonproliferation Studies and Nick Hansen of Stanford University conclude that Pyongyang “is in the final ‘clean up’ stage of construction at the reactor site.”
Overhead photos show North Korean workers put a dome over the reactor containment building last year. They started moving large equipment into the building in the fall.
Pipes for a cooling system that draws water from a nearby river have been put in trenches and covered up, according to Mr. Lewis and Mr. Hansen. A nearby electrical sub-station is close to ready. The site’s large crane has been dismantled and taken away. Workers haven’t yet made final electrical and water connections.
The key now is whether a nearby uranium enrichment facility has produced fissile material that North Korea has managed to fabricate into fuel rods.