North Korea is continuing its nuclear expansion Satellite images show upgrades continuing at the Yongbyon Nuclear Scientific Research Center. Analysts caution that this means North Korea has no plans to denuclearize. The news comes just over two weeks after President Donald Trump's summit with Kim Jong Un. The North Korean leader committed to total denuclearization during his meeting with Trump. Secretary of State Mike Pompeo has said that sanctions on North Korea will remain in place until denuclearization is completed. Trump previously praised Kim as "very honorable."