South Korea Targets Nuclear Submarine Launch by Mid-2030s
26, May 2026
South Korea plans to launch its first domestically built nuclear-powered submarine by the mid-2030s under the Jangbogo N Project.
North Korea
Spanish Reporting Flags “Undeclared Heavy Cargo” on Ursa Major Before 2024 Sinking
30, December 2025
Reports citing Spain’s La Verdad say investigators suspect Ursa Major carried undeclared VM-4SG reactor hulls allegedly bound for North Korea before it sank off Cartagena in December 2024.
North Korea Steps Up Nuclear Submarine Program
26, December 2025
North Korea has released new images of an 8,700-ton-class nuclear-powered submarine as Kim Jong Un inspects the nearly complete hull, denounces South Korea’s rival programme and adds to regional security concerns.
