- Kim Jong-un pledges to expand North Korea's nuclear arsenal
- Kim Jong-un calls US 'biggest enemy' and says nuclear submarine plans 'complete'
- Kim Jong-un Vows to Boost North Korea’s Nuclear Capability as Leverage With Biden
- North Korea’s Kim Jong Un Says U.S. Is ‘Biggest Enemy’
- Kim Jong Un says North Korea is developing tactical nukes, new warheads and a nuclear-powered submarine