N. Korea possibly making modifications to submersible missile test bar… stocking 0 20 2021.04.13 08:41 https://youtu.be/9d-mdsFmBCo + 5 北 태양절 D-2, 신포 조선소 동향 활발...軍 "여러 가능성 대비" With apparent activity at North Korea's main shipyard where the regime builds submarine-launched ...