Many clues have come from the regime 's large-scale tests such as the long-range rocket launch in December and the underground nuclear detonation in February . A Pentagon report to Congress gives an overview of North Korea 's military strategy . It discusses the North 's progress toward developing a nuclear missile . The pace of development will depend on the amount of money allocated , it says . The report 's authors say they saw little change in strategy under Kim Jong Un .
A Pentagon report to Congress gives an overview of North Korea 's military strategy . It discusses the North 's progress toward developing a nuclear missile . The pace of development will depend on the amount of money allocated , it says . The report 's authors say they saw little change in strategy under Kim Jong Un .