북한이 핵탄두를 작게 만드는 연구를 계속하고 있다고 군과 국정원이 밝힌 걸 놓고 설전이 벌어진 겁니다.
A war of words broke out over what the military and the NIS said, which was that North Korea is continuing the research on creating nuclear warheads smaller.