The North Koreans couldn’t build a miniature bridge with a set of Tinker Toys.
Indeed, we can make a fairly safe bet that the technology was stolen from the United States, or that it was constructed from plans given them by the Chinese, who, themselves, got an enormous technological boost via defense secrets sold to them by the Clintons in exchange for illegal campaign contributions.
Most agents who sell defense technology are doing hard time; in the case of the Clintons, however, we made one the Secretary of State and the other an Elder Statesman who is constantly lionized in the press.
Latter day America is a strange beast.