A mysterious Chinese submarine breaks cover
This is the MS200 mini-submarine shown by CSOC in 2017. There are similarities such as the sail and dive planes, though it is clearly a different design overall. (Gordon Arthur)
The emergence of video footage of a new class of Chinese-built submarine sailing down a river somewhere in China comes as something of an epiphany, demonstrating that China is extremely busy developing its underwater fleet.
There was little indication that such a submarine project was underway, as the black-coloured submarine is not of the Type 039A/B/C Yuan class. The new design is in the order of 50m long, compared to 77.6m for the in-service Yuan class.
Furthermore, rather than the Yuan class’s double-hull design, the newly-discovered conventionally powered submarine seems to have just a single hull. Dive planes are
Our news & analysis is now part of Defence Insight®
A Basic-level or higher Defence Insight subscription is now required to view this content.
More from Naval Warfare
-
Sweden swayed by speed to capability in French frigate win
Naval Group has secured a contract to supply four Frégate de Défense et d’Intervention frigates to the Royal Swedish Navy, extending the French naval industry’s reach into Northern Europe and showing why speed to capability has become the defining criterion in today’s defence procurement contests.
-
SOF Week 2026: US NSW explores 3D-printed USVs for forward-deployed operations
US Naval Special Warfare Command is assessing the feasibility of rapidly producing expendable mid-sized USVs in theatre to support SOF and maritime security missions.
-
SOF Week 2026: MARSOC selects upgraded Shark Marine dive navigation system
MARSOC is procuring the Shark Marine Dive Tablet 2 to address a longstanding combat diver navigation capability gap, improving underwater positioning, situational awareness and integration with existing diver propulsion vehicles.
-
SOF Week 2026: NSW expands commercial UxS push to maritime platforms as USASOC advances FPV drone effort
The US Army Special Operations Command and Naval Special Warfare are accelerating efforts to integrate commercial uncrewed systems, with NSW broadening its solicitation to include USVs and UUVs alongside new requirements for ISR, kinetic operations and swarm technologies.
-
SOF Week 2026: US Navy USV completes record eight-day autonomous mission
The MARTAC T38 Devil Ray USV has set a new endurance benchmark as the US Navy pushes deeper into autonomous maritime warfare.