Over the years, North Korea has earned millions of dollars from the export of arms and missiles, and its involvement in other illicit activities such as smuggling drugs, endangered wildlife products and counterfeit goods. Still, there are only a handful of cases that suggest these illicit networks have been turned to export nuclear technology or materials to other states. North Korean technicians allegedly assisted the Pakistanis in production of Krytrons, likely sometime in the 1990s. Krytrons are devices used to trigger the detonation of a nuclear device. Later in the 1990s, North Korea allegedly transferred cylinders of low-enriched uranium hexafluoride (UF6) to Pakistan, where notorious proliferator A.Q. Khan shipped them onward to Libya. UF6 is a gaseous uranium compound that’s needed to create the “highly enriched uranium” used in weapons.
UPI 26th Sept 2017 read more »