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The U.S. Air Force’s NGAD 6th Generation Fighter Is Making a ‘Comeback’

NGAD 6th-Generation Fighter.
NGAD 6th Generation Fighter: Original artwork courtesy of Rodrigo Avella. Follow him on Instagram for more incredible aviation renders.

Key Points and Summary: The US Air Force’s NGAD fighter program is moving ahead, despite earlier budget concerns. The Pentagon just awarded $3.5 billion in engine development contracts, signaling renewed commitment.

-China’s unveiling of two 6th-gen fighters may have accelerated the decision, pushing the US to maintain its air dominance.

-The NGAD will feature AI-driven systems, next-gen stealth, and a possible tailless flying-wing design for unmatched speed and maneuverability.

-While the F-35 will remain relevant into the 2070s, the NGAD is set to define air superiority for decades—and ensure the US stays ahead in the race for 6th-generation air dominance.

Why the Air Force is Betting Big on the NGAD Fighter Jet

To be, or not to be, that is the question. While Hamlet may have lingered in a melancholy stasis, paralyzed by indecision and grief, the Pentagon may be “coming off the fence” regarding its 6th-generation Next Generation Air Dominance stealth fighter. 

A manned, stealthy AI-enabled high-speed 6th-gen fighter may blast through a haze of ambiguity and fly into the future as a paradigm-changing attack platform

Despite former Air Force Secretary Frank Kendall’s decision to pause and re-evaluate the potential existence of NGAD, there are now signs the project may resurrect itself from the ashes of termination—like the mythological Greek Phoenix reborn from the ashes of its destruction, and once again take to the sky with boundless power and promise

The ambiguity was quite significant for months, given the apparent contradiction or juxtaposition between two seemingly opposite trajectories; the Biden Administration’s 2025 budget request of $2.75 billion for NGAD was torched, discarded, or simply cast off into a haze of uncertainty in the Summer of 2024 when Kendall paused the program due to cost concerns. 

An interesting Congressional Research Service analysis in January 2025 cited budget concerns as the primary reason for Kendall’s pause, as the service was unclear if it could afford a full B-21 program and Sentinel ICBM replacement program. The thinking was that lower-cost unmanned systems might effectively meet the operational requirement. 

Skepticism must have quietly reverberated off of the walls in the Pentagon, because many questioned the wisdom of this decision given the fast-growing threat environment. There are now signs that advocates for a fully-supported, fully-funded 6th-generation air attack platform may be exploding through previous hesitations, as the NGAD’s engine program seems to be surging forward at full pace. 

On January 27, the Pentagon awarded two $3.5 billion NGAD engine development deals to General Electric and Pratt & Whitney. Prototype engines are slated to emerge by 2032, and the large contract is certainly a clear, decisive step toward fully developing the NGAD in a manner that had previously been anticipated. 

Two Chinese 6th-Gen Fighters

Many variables likely inform this equation, as many weapons developers and decision-makers believe the US must fully develop the NGAD program. The current threat environment drives the first and perhaps most apparent reason, as Russia and China are fast-tracking 6th-generation stealth fighter programs. 

In early 2025, images of two Chinese 6th-generation fighters blasted onto social media, generating worldwide analysis and speculation regarding the potential sophistication of the new, never-before-seen aircraft. Could the sudden arrival of these images have pushed Pentagon decision-makers beyond any uncertainty toward a path of clear, accelerated NGAD development? This certainly could make sense as a factor. 

However, for quite some time, many expert weapons developers have strongly encouraged Pentagon decision-makers to sustain and even accelerate NGAD long before any new Chinese prototypes appeared on social media. The reasons are clear, as there are signs of an entirely new sphere of promising technologies breaking into operational possibilities, such as AI-enabled sensing, targeting and navigation, new sensing technologies, and paradigm-changing stealth configurations. Therefore, it would make little sense or arguably even be dangerous not to fast-track these 6th-gen capabilities in light of modern threats

Also, while AI’s processing, analytical, and problem-solving speed continues to accelerate and massively increase in scope, there is still a strong argument for ensuring a 6th-gen fighter can be manned. Clearly unmanned systems can leverage new generations of autonomy, AI-enabled navigation, networking and sensing, yet there are still many attributes unique to human consciousness which algorithms are unlikely to replicate. There is still an indispensable need for human decision-making to operate in tandem with high-speed, AI-enabled computing. 

NGAD

NGAD Fighter. Image Credit: Rodrigo Avella

Computers Can’t Feel Joy

As promising and as seemingly limitless as AI might appear to be, mathematically generated algorithms can’t replicate the more subjective nuances fundamental to human cognition. Human decision-making remains critical to air war success, as it must leverage its unique properties while fortified by massive, high-speed, AI-generated analysis. What happens if an AI-enabled sensing system encounters something not part of its database? What about human ethics, emotions, intuition, and cognition? Can AI accurately approximate these distinctly human phenomena? 

F-35 Future 

Questions relevant to the F-35 greatly inform this equation, in considerable measure, because the Pentagon plans to continuously upgrade the F-35 to remain relevant and cutting edge into the 2070s and beyond. This is a worthwhile ambition, given the massive extent to which software, computing, and sensing upgrades can be integrated into the existing airframe design. In recent years, incremental software drops have enabled the F-35 to become an almost entirely different aircraft by upgrading computing, expanding the weapons envelope, and further integrating AI.

For these reasons and others, it seems quite possible that the F-35 can remain relevant and modernized for decades to keep pace with the evolving threat. Specifically, modernized F-35s will be able to drop the high-tech Stormbreaker bomb able to track moving targets out to 40 nautical miles, collaborative bomb dropping with programs like Golden Horde will enable weapons to autonomously share data and adjust in flight, and upgrades to air-to-air weapons such as an off-boresight targeting capability built into the AIM-9X are all examples of how the F-35 is evolving to a changing threat environment.

New Stealth Breakthrough

However, software, computing, weapons integration, and mission systems upgrades won’t change the external configuration of the F-35. Certainly, the F-35 is quite stealthy and proven effective against 4th-generation fighters and advanced air defenses in wargames such as the Air Force’s Red Flag, yet available renderings of 6th-generation aircraft suggest an even “stealthier” high-speed fighter can be built. Can an entirely flat, smooth, flying-wing fighter jet be engineered without tails, fins, or protruding structures? Could a horizontal aircraft such as this optimize stealth yet remain maneuverable and able to vector like a fighter jet? If available renderings of 6th-generation aircraft are any guide, the answer may be yes. 

Horizontal Stealth Fighter? 

From a pure aerodynamic perspective, the absence of protruding, angled, vertical structures offers less contours off of which electromagnetic radar “pings” can bounce off to generate a return rendering. Much like a fully horizontal, smooth high altitude B-2, early models of 6th-gen aircraft suggest that NGAD could achieve the seemingly impossible task of simultaneously achieving both optimal stealth and speed and air maneuverability.

Lockheed Martin NGAD

Image: Lockheed Martin showing a refueling NGAD fighter.

This would offer strong evidence to suggest that the Pentagon must build NGAD to ensure new generations of air attack capability are brought into the force. Historically, one is inclined to believe that a fighter jet can only vector or maneuver by adjusting air flow with wings, tails and vertical structures. However, are there new breakthrough technologies enabling a fully-horizontal stealth fighter jet to maneuver, vector and dogfight better than an F-22? It would seem possible, should available 6th-gen imagery provide an indication. 

Not Enough F-22s? 

The Congressional report also cited some factors limiting the potential impact of US F-22s in a Pacific engagement with China. As a land-launched aircraft existing in small numbers, the F-22 could be challenged to leverage its air dominance in a major confrontation with China. 

“In a fight against China, where islands off its coast are separated by hundreds of miles, the F-22 may be constrained by its 460-nautical mile range and 2,000-pound payload capacity. For greater range, the F-22 relies on US aerial refueling tankers such as the KC-46 and KC-135, which may be vulnerable to attack. For at least a decade, the Air Force has studied F-22 replacements that could confront such a threat,” the CRS report states. 

Hamlet Makes Decision

What all of this suggests is that the Pentagon’s apparent decision to surge ahead with the most technologically advanced 6th-generation possible appears to be gaining traction and taking shape. This is the correct decision. 

Just as Shakespeare’s Hamlet eventually broke through paralyzing grief and indecision to honor his father’s memory and avenge his death… the Air Force appears to be moving beyond its continued wavering and taking decisive, necessary action to protect US Air supremacy and build NGAD. 

NGAD Fighter via Lockheed Martin.

NGAD Fighter via Lockheed Martin.

About the Author: Kris Osborn 

Kris Osborn is the Military Technology Editor of 19FortyFive and President of Warrior Maven – Center for Military Modernization. Osborn previously served at the Pentagon as a highly qualified expert in the Office of the Assistant Secretary of the Army—Acquisition, Logistics & Technology. Osborn has also worked as an anchor and on-air military specialist at national TV networks. He has appeared as a guest military expert on Fox News, MSNBC, The Military Channel, and The History Channel. He also has a Masters Degree in Comparative Literature from Columbia University.

Written By

Kris Osborn is the Military Affairs Editor of 19 FortyFive and President of Warrior Maven - Center for Military Modernization. Osborn previously served at the Pentagon as a Highly Qualified Expert with the Office of the Assistant Secretary of the Army—Acquisition, Logistics & Technology. Osborn has also worked as an anchor and on-air military specialist at national TV networks. He has appeared as a guest military expert on Fox News, MSNBC, The Military Channel, and The History Channel. He also has a Masters Degree in Comparative Literature from Columbia University.

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