Scary What North Korea Can Do

The discovery was made through the defense system, DEFCON.

DEFCON is a U.S. Army system that alarms the rise of nuclear weapons.

The system has five levels of risk measurement, starting with DEFCON 5 which is the most dangerous and, on DEFCON 1 to a smaller degree of risk.

According to a report on the DEFCON website, there is a threat of four nuclear weapons in North Korea.