North Korea25 December, 20252 min read
Kim Jong Un Reveals First Nuclear-Powered Submarine
State media showed a largely completed 8,700‑ton submarine hull inspected by Kim Jong Un KCNA said the vessel will be nuclear‑armed, provide long submerged endurance, and serve strategically
22 outlets told this the same way.
Outlets did split on South Korea Plans To Train 500,000 Drone Warriors To Counter North Korea →
North Korea submarine update
North Korea’s state media released photos and footage showing leader Kim Jong Un inspecting what it described as an 8,700-ton nuclear-propelled submarine with a largely finished, anti-corrosion-coated hull. State outlets said the images marked progress toward Pyongyang’s declared nuclear-submarine program first announced in 2021.
“North Korea’s state news agency KCNA published photos of leader Kim Jong Un inspecting an 8,700‑ton ‘nuclear‑propelled’ submarine whose hull appears largely finished and is coated in anti‑corrosion paint.”
KCNA’s coverage presented the ship as a milestone in naval modernization and accompanied imagery of Kim with officials and his daughter at the site, though state outlets did not provide a firm launch date for the vessel. International reporting framed the release as the first detailed hull images since March, and some outlets emphasized that the production site appeared closed, suggesting the boat has not been launched yet.
Submarine hull implications
Analysts and news outlets differ on what hull images imply about the submarine's technical status and timeline. Some analysts cited by technology and defense outlets say a completed hull often means major internal systems may already be installed and that the boat could be launched for sea trials within months, though operational readiness would remain uncertain. Other mainstream analysts and Western outlets noted that the design and size suggest a nuclear reactor is plausible but stressed it could take years before the sub can conduct operational missile tests, and that South Korea's own path to nuclear-powered submarines will likely take a decade or more.
KCNA submarine missile claims
KCNA paired submarine imagery with claims of weapons tests and expanded naval capability. State media said Kim supervised a test of new long-range surface-to-air or anti-air missiles, and KCNA claimed the vessel could launch such missiles.
“KCNA also reported that Kim supervised a test of a new long‑range anti‑air missile.”
Several outlets repeated those claims while noting the state's tendency to present demonstrative imagery. Some reports said projectiles shown in state media may have been models rather than operational missiles.
Submarine push and succession
Kim used the release to frame the submarine as part of a broader push for "greater offensive power" and to criticize regional moves by Seoul and allies, with KCNA quoting him calling the program "epoch‑making" and describing the ships as central to national defense.
State reporting also showed Kim with his daughter, Kim Ju Ae, and multiple international outlets reproduced the images and cited analysts who say her presence fuels speculation she may be a potential successor, a point noted by mainstream Western outlets alongside the state's military messaging.
North Korea submarine claims
Media reactions varied, with many outlets flagging regional security concerns about a potential North Korean nuclear-powered submarine. Some linked the announcement to broader tensions, noting criticism of South Korea's and Japan's moves and comments regarding U.S. naval activity. Other outlets stressed the claim remains unverified and that operational capability, particularly a functional reactor and seaworthy missile systems, has not been proven.
“A nuclear‑powered submarine would give Pyongyang a harder‑to‑detect undersea missile‑launch capability, raising significant regional security concerns.”
Several sources contextualized the announcement amid reports of wider Pyongyang activity and foreign ties. Analysts are split and outside confirmation is limited, leaving key details ambiguous.
