China has launched an underwater creature into the sea that defies naval engineering

Year 1953, the US Navy launches USS Albacorean experimental submarine whose “water drop” shape seemed so strange that it broke with decades of naval design. Many officers doubted the concept, but it ended up being just as effective underwater. that ended up influencing in practically all modern submarines built since. More than seventy years later, another image of a submarine with an unconventional silhouette once again raises the question of whether we are seeing the beginning of a new revolution.

The creature that breaks the rules. The satellite images captured in a Shanghai shipyard have revealed something extraordinary: a large Chinese submarine that looks like dispense with the sail or tower command, the structure that for more than a century has been considered an almost mandatory piece in underwater engineering.

The appearance of this design has attracted attention because it challenges one of the most established conventions of modern naval warfare. It is not a small experimental prototype, but rather a platform for about 120 meters in lengthlonger than many nuclear attack submarines currently in service, suggesting that China is exploring concepts much more ambitious than a simple technology demonstration.

Designed to perform underwater. The main advantage of removing the candle is purely hydrodynamic. When that large structure that protrudes from the hull disappears, the submarine reduces resistance As it advances, it improves its fluidity in the water and can optimize speed, maneuverability and acoustic discretion. The less noise a vessel generates, the more difficult it is to detect it using sonar, a fundamental aspect of modern underwater warfare.

Added to this is the possible incorporation of an X-shaped tailassociated with greater navigation agility and safety, as well as the probable use of an encapsulated propeller pumpjet typea technology intended for reduce further the noise during submerged operations.

The importance of what is missing. Precisely because the sail has been a universal feature on modern submarines, its absence raises numerous questions. Traditionally this structure houses periscopes, sensors, antennas communications, electronic masts and ventilation systems.

It also provides an elevated position for surface navigation, improves the crew’s situational awareness and can even be used in certain logistics missions or operations under the polar ice. Giving it up means accept limitations important operational functions, so Chinese engineers must consider that the benefits obtained compensate for these sacrifices or that there are technological solutions capable of replacing part of their functions.

Eight years of silent experimentation. Because as they remembered TWZ analysts, The appearance of this submarine has not arisen from nowhere. The same shipyard already built in 2018 a much smaller vessel that also lacked a sail and likely served as a test bed to validate design concepts.

That prototype practically disappeared from the public spotlight for years, but it now seems clear that it was part of a broader research program. The progression from a model measuring just 45 meters to a platform that rivals nuclear submarines in size shows that China has spent years perfecting this idea before taking the next step.

The link with the submarines of the future. The initiative also fits with other signals recently observed in the Chinese shipbuilding industry. In 2024, the CSSC state corporation presented a concept of a large unmanned underwater vehicle whose silhouette was remarkably reminiscent of these low-profile designs. That project contemplated missions as diverse as attacks against ships, laying mines, supporting special forces or even acting as a mother ship for other underwater drones.

Although the new submarine detected seems too large to be completely autonomous, the similarity between both concepts suggests that China could be developing a family of platforms based on the same design philosophy.

An army in full transformation. We have been counting it. The appearance of this submarine coincides with a profound modernization of the Chinese submarine force. Beijing is incorporating increasingly advanced models, developing new submarines nuclear weapons and even experimenting with hybrid designs capable of combine different shapes of propulsion. US officials have recognized on several occasions that the quality of Chinese submarines is progressively approaching that of the most modern Western models.

In parallel, the People’s Liberation Army Navy continues to expand to a higher pace that of any other navy in the world, driven by the need to project power in the Pacific, the South China Sea and other strategic regions.

More questions than answers. Of course, the official name of the submarine, its internal systems or the exact mission for which it was conceived are still unknown. However, satellite images have left an impression hard to ignoreA: China appears to be testing an idea that for decades was relegated to theoretical studies, experimental prototypes and laboratory concepts.

If he project prosperscould mark the beginning of a new generation of submarines where the traditional command tower ceases to be an unquestionable necessity and becomes another option within the evolution of underwater warfare.

Image | X, Vantor

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