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J-50 Designers Reveal "Leapfrog" Technology For China's Next-Gen Stealth Fighter

Zero Rss
3 weeks 1 day ago
J-50 Designers Reveal "Leapfrog" Technology For China's Next-Gen Stealth Fighter

China’s next-generation combat aircraft will be able to fly by themselves if a pilot loses consciousness, navigate without satellite signals and operate in self-reorganising large drone formations. That is the plan laid out by researchers from the Shenyang Aircraft Design & Research Institute, a top Chinese military aircraft design organisation, in a paper last month, the SCMP reported.

The institute is associated with the development of the Chinese next-generation aircraft commonly referred to as the J-50, which first appeared in flight-test imagery in December 2024, although the paper does not mention the J-50 by name or confirm that the aircraft will incorporate any of the described technologies.

China’s future fighters, including the J-50 and J-36, are considered rivals to the US Air Force’s sixth-generation main fighter programme, the F-47, being developed by Boeing.

The lead researcher is chief flight-control designer Zhang Dong at the institute, and his team’s paper – rare for its public details – was published in a peer-reviewed journal Aircraft Design in August.

China’s next-generation stealth fighter programs were undergoing a “leapfrog transformation from being able to fly steadily to being able to win in combat”, wrote Zhang and his colleagues.

Zhang’s study presents a future of pilots handing over control during periods of extreme workload or incapacitation, quantum navigation technologies supporting operations in satellite-denied environments and crewed fighters coordinating attack, reconnaissance and protection missions with reconfigurable wingman drones.

The team’s institute is part of the state-owned Aviation Industry Corporation of China, which oversees much of the country’s aircraft research and development.

Its subsidiary, Chengdu Aircraft Industry Group, is also developing the J-36 fighter, widely regarded as another candidate for China’s next-generation sixth-generation combat aircraft.

In 2025, an investigation by defence news website, The War Zone, using satellite imagery found that the Chengdu J-36 and the Shenyang J-50 aircraft were both based at an experimental military airfield near Lop Nur, a highly secretive site for aerospace test flights that has often been compared to the United States’ Area 51.

Their simultaneous presence at the same base suggested that China’s military was actively supporting the parallel development of the two programmes.

Zhang’s paper presents a rare technological road map for future combat aircraft, describing a fundamental restructuring of the flight-control system from a device concerned mainly with flight quality into a core enabler of collaborative engagement, intelligent manoeuvre and mission effectiveness.

The change reflected what the authors described as three successive eras of air combat.

In the earlier “energy manoeuvrability” era, victory depended heavily on physical manoeuvring performance in close-range combat, while flight-control systems were largely closed and centralised, with specialised hardware and software designed mainly to keep the aircraft stable, controllable and responsive to pilot inputs.

The rise of long-range radar, stealth shaping and precision-guided weapons shifted combat towards “information manoeuvrability”, where detecting, tracking and attacking an opponent before being detected became increasingly important.

Fifth-generation aircraft such as the F-22 and J-20 use full-authority digital fly-by-wire systems and increasingly integrate flight control with fire-control and propulsion systems through high-speed data links.

The authors argued that the next phase was “cognitive manoeuvrability”, in which artificial intelligence, autonomous systems and distributed networking allowed air combat to move from platform-versus-platform competition towards system-level contests involving manned-unmanned formations.

This changes what flight control is expected to do.

“The functional positioning of the flight control system is undergoing a fundamental restructuring – from a platform controller merely pursuing flight quality to a core enabler of collaborative engagement management, intelligent manoeuvre decision-making and closed-loop mission effectiveness,” Zhang and his co-authors wrote.

The first major capability is autonomous flight control.

Instead of making pilots constantly turn high-level battle plans into precise stick movements, the new system would let on-board intelligent algorithms do that job automatically, translating tactical orders into smooth, continuous flight actions while keeping the aircraft safely within its physical limits, even during extreme manoeuvres.

The aircraft would constantly monitor its own health by fusing data from sensors such as inertial navigation, airspeed indicators, control-surface positions and engine performance.

This would allow it to assess its flight state, estimate remaining manoeuvrability and detect potential problems before they develop into emergencies.

The system could then automatically adjust control settings and redistribute on-board resources while strictly enforcing safety boundaries to avoid stalls, loss of control or stuck control surfaces.

In particularly stressful situations, the aircraft could take over from the pilot.

The paper proposes allocating control authority between humans and autonomous systems so that pilots can spend less effort on low-level aircraft handling and more on battlefield assessment and tactical decisions.

During periods of excessive workload or if a pilot loses the ability to control the aircraft, the system could take control and continue executing the intended tactical task while prioritising flight safety.

The second major change concerns navigation.

Future combat aircraft may need to operate when satellite navigation is jammed, disrupted or unavailable, prompting the researchers to identify quantum inertial navigation, visual navigation, geomagnetic navigation and terrain matching as potential technologies for passive autonomous navigation.

The paper proposes combining data from various sensors to reduce errors and prevent failures caused by the degradation or loss of any single sensor under severe electromagnetic interference.

Quantum inertial navigation is therefore presented as part of a broader effort to give aircraft an independent sense of movement and position, rather than as a replacement for GPS.

The study framed these technologies as areas requiring further engineering research and implementation, rather than saying a quantum navigation system had already been deployed on a Chinese fighter.

The biggest shift, however, may come from the way multiple aircraft work together.

Future formations could pair crewed fighters acting as command nodes with uncrewed wingmen assigned to reconnaissance, attack and protection roles. Flight-control systems would coordinate their positions, routes, electromagnetic spectrum use and weapons-launch windows while dynamically allocating tasks between aircraft.

The authors saw this as more than a traditional formation controlled by a single leader.

If an aircraft suffered a malfunction or combat damage and left the formation, the remaining aircraft could automatically reorganise, replace the missing node and redistribute its unfinished tasks.

The system used consensus-based coordination and a dynamic “virtual leader” replacement mechanism to maintain autonomous operation without relying on a permanent central node.

Zhang and his team said single-aircraft autonomous control guaranteed survival in complex environments, while swarm coordination delivered multiplied combat effectiveness.

The paper pointed towards a more heterogeneous air-combat network rather than a simple arrangement of one crewed fighter and several identical drones.

It further highlighted large collaborative wingmen alongside various aircraft and autonomous platforms, suggesting a future architecture in which crewed fighters, larger unmanned aircraft and smaller autonomous systems could perform different functions within the same network.

Aircraft such as the Chinese Y-20 transport aircraft, the J-20 fighter and even the H-20 stealth strategic bomber, which is believed to be under development, could potentially form part of such a combat network.

However, Zhang and his team did not say whether the “combat group”, or the crewed “lead aircraft” and unmanned wingmen, would consist mainly of large numbers of drones or a combination of the larger aircraft described above.

The Shenyang Aircraft Corporation and the paper’s authors did not respond to a request for comment.

Based on the paper’s publicly available discussion, the researchers suggested retaining conventional systems engineering as the safety backbone while using intelligent tools for tasks such as parameter optimisation, test expansion, automated testing and defect detection, with early trials conducted on lower-cost uncrewed platforms before broader adoption in major aircraft.

But the researchers do not advocate handing the aircraft’s most safety-critical functions directly to artificial intelligence (AI).

Instead, they identified a basic engineering conflict between intelligence and flight safety.

Data-driven algorithms can be difficult to explain and verify, and they might not apply in every situation, especially in extreme scenarios.

Applying such systems directly to the innermost control loops could therefore introduce unpredictable risks.

The proposed solution was a layered architecture.

“Engineering practice widely adopts a hybrid architecture with a closed core and open periphery,” the team wrote, allowing high-reliability, real-time functions to remain tightly controlled while more flexible software functions could be upgraded and connected across different platforms.

Under this model, the inner loop would retain conventional, highly deterministic controls for functions such as attitude stabilization, control-surface actuation and hard flight-envelope protection.

AI would operate mainly in the outer loop, handling tactical decision-making, trajectory optimization, multi-aircraft coordination and payload adaptation, while rigid safeguards would constrain its commands so that its recommendations remain inside a safe operating envelope.

The researchers called for further work on open layered architecture, verifiable intelligent flight control and cross-domain cooperative control, supported by large-scale simulation and flight-test data to improve the robustness and verifiability of intelligent models.

Tyler Durden Wed, 09/16/2026 - 23:00
Tyler Durden

How Trump's Iran Operation Turned Into A Forever War

Zero Rss
3 weeks 1 day ago
How Trump's Iran Operation Turned Into A Forever War

Authored by Harrison Berger via Responsible Statecraft,

As the United States has struggled to secure its four primary objectives in the Iran War - achieving regime change, dismantling long-range ballistic missiles, eliminating nuclear enrichment, and halting Tehran's support for regional proxies - U.S. officials have rolled out a series of tried-and-failed theories for how to achieve those goals.

In the past four weeks, Americans have watched their government attempt to inflict an economic victory against Iran through Operation Economic Outcast, tightening a sanctions regime which for decades has strangled Iran's economy without resolving the underlying dispute.

Now, as that strategy flags, we have seen the Trump administration return to its older strategy of kinetic strikes against Iran. Those strikes, too, have failed to achieve their desired objectives.

Facing the prospect of a self-inflicted defeat, the U.S. has now proposed two new paths forward.

The first, reported by the Wall Street Journal last Wednesday, is an option to extend and formalize the current series of on-and-off strikes U.S. officials call this "mowing the lawn," or a strategy of using periodic bouts of disproportionate force, as Israel did in Gaza prior to launching its full-scale, seemingly endless campaign after the Oct. 7 attacks of 2023. To support that option, the Pentagon has extended troop deployments in the Middle East through 2027.

The second option reportedly considered by the White House is for the U.S. to declare victory and walk away, with the Wall Street Journal reporting that Trump favors the idea. Among the supporters of the second option is Joe Kent, the former Director of the National Counterterrorism Center, who resigned in protest of the Iran War, and who has argued on X that the U.S. should "reset the terms of the deal" with Iran "by removing our troops & ships from the region." The argument that the U.S should walk away and "declare victory" is growing increasingly popular even in establishment circles.

But given the historic limitations of sanctions to achieve political outcomes, coupled with Iran's current demands, that strategy too appears unlikely to re-open the Strait of Hormuz and avert the economic consequences Iran's leverage over the waterway will have on the global economy.

Political scientists have long doubted whether U.S. economic pressure and sanctions can shape political outcomes, particularly when the targeted state has little reason to believe these measures will be reversed in exchange for good behavior; researchers like David Siegel are quick to acknowledge that they "don't work," while U.S. officials like Janet Yellen have conceded the same point, noting that, while sanctions against Iran had caused a "real economic crisis," they produced political outcomes "much less than we would ideally like."

As Siegel - who most recently studied the failure of U.S. sanctions on Russia to redirect their state behavior toward U.S. and NATO interests - explains, "target states have strong incentives not to give in and sometimes even benefit from heightened levels of political support at home because they can now credibly blame their economic woes on a foreign imperial power." Siegel argues that it's "probably more true today than ever before due to the fact that sanctioned states can turn to China."

The low likelihood of economic pressure opening up the Strait of Hormuz is depressed even further by the fact that one of Iran's preconditions for opening the Strait of Hormuz is the removal of sanctions, which would require a vote from Congress, where the proposal would face an uphill battle.

But perhaps the main reason walking away and declaring victory would fail to re-open the Strait and mitigate impending economic disaster is because Iran has tied freedom of navigation in the waterway to the U.S. reining in Israel, and the U.S. has long demonstrated it is unwilling to do so.

The June 17 agreement between the U.S. and Iran only required the U.S. force an Israeli withdrawal from Lebanon, and Washington failed to follow through. Now, subsequent provocations by the U.S. and Israel have led Iran to expand its ceasefire demands to other campaigns: in Iraq, in Yemen, and in Palestine.

Securing a deal to re-open the Strait and end the war is further complicated by the growing view around the world that the "Art of The Deal" author is simply incapable of making deals. Results of a 2025 Politico survey of diplomats from 15 countries show foreign officials describing Trump's deal-making process as "reactive, with no clear direction," while Trump has so far failed to resolve a proxy war in Ukraine that he promised to end "within 24 hours" of taking office. The White House has similarly failed to reach a peace deal in Gaza.

Under these conditions, the broader Iran War appears to be rapidly approaching what a chief executive of a Danish shipping firm described to the Financial Times as a "Ukraine-style stalemate." Speaking to the outlet in August, the CEO of Torn explained how "the Gulf leadership has realized they need to prepare themselves for a prolonged situation that lasts not days or weeks but months or years," adding that "with the U.S. acting the way it is, I think it is a dream world to imagine the world returns to the way it was 10 years ago in the foreseeable future."

The consequences of that "prolonged situation" will soon be felt even more by American consumers, as Iran's control over the Strait of Hormuz has pushed diesel prices to their highest ever levels. Averting economic catastrophe will therefore require the U.S. to meet conditions it has so far been unwilling to accept; merely declaring victory and walking away won't do the trick.

Tyler Durden Wed, 09/16/2026 - 22:35
Tyler Durden

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