For the last five years, South Korean intelligence has been trying to get their hands on North Korea's new GPS jammer. The South Korean recently revealed that they had evidence that these jammers were now mounted on North Korean electronic warfare vehicles. These jammers are used to spoil the aim of GPS guided bombs and missiles, and are believed to have a range of 50-100 kilometers. South Korea believes the jammer technology was obtained from Russia. The U.S., NATO, Israel and several Middle Eastern nations (friendly to the U.S.) are big users of GPS guided weapons. The North Korean device...