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China Expands Undersea Strategy With Civilian Vessels and Drones

A Surfacing Strategy : Chinese Unconventional Oceanic Warfare | Center for International Maritime Security

a chinese flag on a boat in the water

Photo by Woody Yan on Unsplash

What changed

A new analysis describes China’s maritime strategy as a blend of military and civilian infrastructure, including research vessels, cargo fleets, fishing boats and autonomous drones. Satellite imagery reportedly identified two separately developing next-generation submarine hulls: a Type 095 fitting out at Huludao in February 2026, and an unnamed vessel roughly 120 metres long that surfaced near Jiangnan Shipyard in June.

Why it matters

The important shift is not simply that China is building submarines. It is that undersea strategy is being assembled across a wider network of vessels and machines that may look civilian or merely inconvenient until their data, positioning or activity becomes militarily useful.

The analysis says China is producing nuclear attack submarines at a reported rate of 2+1 per year. It also describes unmanned underwater vehicles mapping the seabed, with some reportedly spending only about 6% of their time inside designated International Seabed Authority zones. That points to a strategy in which knowledge of the ocean floor is gathered beyond clearly military platforms.

Our reading is that the two submarine programs matter because they suggest experimentation at scale, across more than one shipyard and design path. The Jiangnan vessel’s role and final design remain uncertain, so its appearance is better understood as a signal of development activity than proof of a particular capability. The broader concern is cumulative: research, mapping, commercial-looking fleets and underwater drones can build the conditions for stealthier submarine operations without presenting an obvious military threat at every stage.

Sources (1)
  1. cimsec.orgA Surfacing Strategy : Chinese Unconventional Oceanic Warfare | Center for International Maritime Security

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