N. Korea test-fires upgraded version of 240mm multiple rocket launcher ArirangNews 0 63 08.28 19:46 https://www.youtube.com/watch?v=OrM7qbzmCw0 + 12 https://www.youtube.com/feeds/videos.xml?channel_id=UCzznO4xSV8BKnUBPy… + 9 N. Korea test-fires upgraded version of 240mm multiple rocket launcher