South KoreathereforehasnootherchoicebuttojointhePSI.NE TIMES소리듣기이런상황에서한국은PSI에참여할수밖에없었다.
PSIwasdevisedbytheUnited Statestopreventcross-borderdeliveriesofWMDtoandfromterrorist-sponsoringcountries.The Korea Herald소리듣기PSI는미국이대량살상무기가테러지원국가로넘나드는것을방지하기위해마련한것이다.