North Korea says it tested new torpedo with AI tech

North Korea tested a new underwater torpedo weapon system on Thursday. The weapon is described as a high-speed, precision-guided torpedo. Pyongyang said the trial successfully verified technological upgrades and marked a significant step in developing its navy.

The test focused especially on propulsion. KCNA said the system used propulsion technology developed through more than 180 tests over five years. It also reported improved propulsion efficiency and better performance from the torpedo’s rocket propulsion system. Artificial intelligence was used for target detection and guidance.

The test forms part of a wider series of North Korean weapons launches. It followed the reported testing of two submarine-launched strategic cruise missile types. North Korea is also seeking modern missile submarines. Together, these activities show Pyongyang’s effort to expand underwater weapons capabilities as tensions rise with South Korea.

A precision-guided torpedo is an underwater weapon designed to detect or receive information about a target, then adjust its course to approach accurately. “Precision-guided” means it can steer during its journey rather than simply follow a fixed route. The article describes North Korea’s system as high-speed and says artificial intelligence helped with detection and guidance.

The main difference from a missile is the environment and movement. A torpedo travels through water, using an underwater propulsion system. A missile travels mainly through the air, although some missiles can be launched from underwater and then emerge into the atmosphere. Torpedoes usually attack ships or submarines directly in the water.

This distinction matters because underwater weapons operate in a difficult sensing environment. Water can limit visibility and affect sound signals. A guided torpedo must therefore combine propulsion, sensors, and steering to find and reach a target. The article links North Korea’s test to improvements in all-important propulsion performance.

North Korea said the torpedo’s propulsion technology had been developed through more than 180 tests over the past five years. That is an extensive development effort for one part of a weapon system. The program focused on making the torpedo move effectively and support its guidance functions.

Repeated propulsion tests can examine speed, efficiency, stability, and reliability under different conditions. In this case, KCNA specifically claimed improvements in propulsion efficiency and in the performance of the torpedo’s rocket propulsion system. These details suggest the testing was aimed at refining how the weapon moves, not merely demonstrating a finished design.

The figure does not prove that the system is fully operational or reveal how it compares with other countries’ weapons. It does show sustained work and repeated experimentation. The reported success gives North Korea confidence to continue developing naval weapons, including systems launched from submarines, during a period of heightened regional military competition.

Artificial intelligence can help an underwater weapon process information while it is moving. A torpedo may receive signals from onboard sensors, compare them with patterns, and estimate whether they belong to a ship or submarine. It can then help select a target and recommend or control steering changes.

For example, the system could combine acoustic information with the target’s direction and distance. Guidance software would use those estimates to adjust the torpedo’s path and keep it moving toward the target. AI may help when signals are noisy or when the target changes course. These are general functions of automated guidance; the article does not identify North Korea’s exact sensors or algorithms.

KCNA said AI was used for target detection and guidance in the new torpedo. That claim points to greater onboard automation. It could reduce the need for continuous external control, but the article provides no independent assessment of the system’s accuracy or battlefield performance.

Propulsion determines how quickly and efficiently a torpedo travels underwater. Greater speed can reduce the time between launch and arrival, giving a target less opportunity to detect the weapon or change course. Better efficiency can help the torpedo maintain useful performance while consuming less of its available energy.

A faster torpedo may also close distance before guidance information becomes outdated. Efficient propulsion can support longer travel, stronger maneuvering, or continued operation of onboard sensors and guidance systems. The article specifically connects North Korea’s test with improved propulsion efficiency and better performance from the torpedo’s rocket propulsion system.

These advantages could make an underwater attack more difficult to defend against, but the article does not provide speed figures, range data, or independent confirmation. It reports North Korea’s claim that the test succeeded. The broader significance is that improved propulsion may strengthen the country’s underwater weapons development and naval mission capabilities.

North and South Korea are developing weapons designed to challenge missile defenses because defenses are built to detect, track, and intercept incoming weapons. Systems that move underwater, change course, or travel at very high speed can create harder detection and interception problems. The article describes this as a race involving weapons capable of evading missile defenses.

North Korea tested its new underwater torpedo and had recently tested two submarine-launched strategic cruise missile types. South Korea’s President Lee Jae Myung oversaw the first test-firing of a domestically developed hypersonic missile. The test involved a hypersonic glide vehicle, which can change course during flight. North Korea also said Kim Jong-un had overseen an intermediate-range hypersonic missile test.

Each development can encourage the other side to improve its own weapons and defenses. That cycle increases military uncertainty on the Korean Peninsula. The article presents these tests as routine defense research, but says they occur amid heightened tensions and an accelerating competition.

Submarines use torpedo tubes to launch torpedoes underwater, usually toward ships or other submarines. They can also launch certain cruise or ballistic missiles from specialized systems, with some missiles emerging from the water before traveling through the atmosphere. The article specifically refers to submarine-launched strategic cruise missiles and North Korea’s effort to develop modern missile submarines.

A submarine can approach, launch, and move without being continuously visible from the surface. Underwater detection commonly depends on interpreting sound and other limited signals. A defending force must therefore search a large area, identify a possible contact, and respond before the weapon reaches its target. Torpedoes can also be guided after launch, adding uncertainty.

The article says North Korea has tested submarine-launched missiles from various platforms, including an ageing submarine. It does not describe exact launch procedures or detection technology. It does show that underwater platforms are central to Pyongyang’s effort to expand naval and missile capabilities.