https://www.reuters.com/article/us-southkorea-russia-aircraft/south-korea-fires-warning-shots-at-russian-military-aircraft-in-its-airspace-idUSKCN1UI072
https://www.nknews.org/2019/07/kim-jong-un-inspects-newly-built-submarine-state-media-says/
https://www.reuters.com/article/us-southkorea-russia-aircraft/south-korea-fires-warning-shots-at-russian-military-aircraft-in-its-airspace-idUSKCN1UI072
https://www.nknews.org/2019/07/kim-jong-un-inspects-newly-built-submarine-state-media-says/