North Korea is developing an electromagnetic pulse munition to jam South Korean and U.S. military electronics, according to a Communist Party-controlled journal citing GPS disruptions observed by South Korean aircraft flying near the demilitarized zone separating South and North Korea.
An EMP munition can jam electronic-based weapon systems ranging from fighter jets to hand held GPS units carried by soldiers. An EMP blast occurs when a nuclear weapon is detonated and spews electromagnetic radiation frying electronic systems in the area.
Military Analyst Li Daguang wrote the article for the monthly Bauhinia journal saying the North Korean are specifically targeting the South Korean's military equipment.
"North Korea has always planned to develop small-scale nuclear warheads. On this foundation, they could develop electromagnetic pulse bombs in order to paralyze the weapons systems of the South Korean military -- most of which involve electronic equipment -- when necessary," Daguang wrote.
Militaries can create an EMP blast by detonating a nuclear warhead in the Earth's atmosphere. However, this is not the only method to cause an electronic blackout. North Korea has completed two nuclear tests. The Communist government has failed to produce a ballistic missile capable of delivering a nuclear warhead with any sort of accuracy.
Daguang suggests the North Koreans could use the EMP blast to knock out power in South Korea ahead of an invasion of North Korea's special forces.
"Once North Korea achieves the actual war deployment of EMP weapons, the power of its special forces would doubtlessly be redoubled," Daguang writes.