N Korea furious that H-bomb threat not taken seriously
http://www.cnn.com/2017/10/25/politics/north-korea-us-hydrogen-bomb-threat/index.html
Deputy Head of Advanced Manufacturing Research Group
N Korea furious that H-bomb threat not taken seriously
http://www.cnn.com/2017/10/25/politics/north-korea-us-hydrogen-bomb-threat/index.html