3,000-ton submarine 'Ahn Mu' launches attack on hypo… stocking 0 9 06.12 16:36 https://youtu.be/inKyFcQ3m4c + 2 수중 킬체인 핵심 안무함 적 공격 훈련 모습 첫 공개 South Korea's Navy for the first time has held publicly open training drills ...