S. Korea moves to upgrade Patriot defense system

The South Korean military's Patriot Advanced Capability-2 (PAC-2) system has a success rate of less than 40 percent in intercepting ballistic missiles, government sources said Sunday.

Due to the noticeable inefficiency in deterring North Korean missiles, the PAC-2 system can only be useful in intercepting airplanes, prompting the South's military to rush to introduce the more advanced PAC-3 system, said the sources.

PAC-2 has been deployed to counter increasing threats from the North's low-flying, short- and medium-range missiles, as part of Seoul's plan to build an independent theater missile defense shield, dubbed the Korean Air and Missile defense (KAMD) network system.

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