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DSA 2024: China unveils new UUV-300CD Unmanned Underwater Vehicle capable of launching torpedoes.

| Naval News Navy 2024

At DSA 2024, Poly Technologies, a prominent Chinese defense firm, unveiled scale models of its latest underwater unmanned vehicles (UUVs), the UUV-300CD and UUV-300CB.
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A model of the Unmanned Underwater Vehicle UUV-300CD at DSA 2024, Malaysia. (Picture source: Navy Recognition)

These large multifunctional submersibles are intended for tasks such as surface and underwater reconnaissance, offensive operations, and mine deployment.

The UUV-300CD is 28 meters long and 2.5 meters in diameter, with a weight of 50 tons. It can dive to a depth of 200 meters, with a maximum speed of 10 knots and a cruising speed of 5 knots, providing an endurance of 600 kilometers. It has a torpedo-carrying capacity of four and can be used for both reconnaissance and offensive missions.

The UUV-300CB measures 11.5 meters by 1.6 meters and is capable of mine deployment and reconnaissance missions. It can operate at depths up to 300 meters and achieve speeds up to 12 knots. It has a full load weight of 50 tons, endurance of 450 nautical miles at 5 knots, and an acoustic signature below 140 decibels. It is designed to communicate via UHF, satellite, and acoustic channels.


This concept opens up new possibilities for deployment. UUVs can be launched stealthily from submarine torpedo tubes or surface vessels, extending the reach of a navy and providing versatile defensive screening or offensive strike capabilities.

They can be programmed to hunt for enemy submarines or ships, enhancing the detection capabilities of a naval fleet. Furthermore, they can bolster strategic deterrence by potentially carrying high-impact payloads, including nuclear warheads, thereby reinforcing undersea defenses.

These advancements challenge traditional concepts of naval warfare and raise concerns about command and control, as autonomous systems will need secure and reliable communication to operate effectively.

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