2017-12-30　旧ソ連ロケット技術

http://www.dailymail.co.uk/news/article-5221569/Russia-helped-North-Korea-acquire-missile-technology.html

https://www.washingtonpost.com/world/national-security/documents-shed-light-on-north-koreas-startling-gains-in-sea-based-missile-technology/2017/12/27/dd82878a-e749-11e7-ab50-621fe0588340_story.html?utm_term=.e7c40545828a