Key Points and Summary – China’s J-35 finally gives the PLA a carrier-borne stealth fighter, narrowing a long-standing gap with U.S. F-35B/C forces.
-On paper it’s quick and rangy, but the decisive questions live inside the jet: engine reliability, avionics maturity, datalinks—and above all, whether it delivers F-35-level sensor fusion that turns many sensors into one picture.
-The J-35’s lookalike airframe matters less than its software, mission data, and weapons integration.
-If China can scale production and crack fusion, the power-projection calculus shifts.
-If not, U.S. and allied F-35s retain a hard edge in detection, targeting, and teaming—especially at sea, where experience still counts.
China’s J-35 Stealth Fighter Isn’t Perfect
China’s new J-35 carrier-based stealth fighter marks a significant step in closing its airpower deficit with the U.S., which has a decade-long head start with the F-35.
The J-35 looks like an F-35 (likely from stolen data) and is slightly faster (Mach 1.8), and it has a similar combat range to the F-35 of roughly 1,200 nautical miles.
The critical, unanswered questions remain about its internal systems: whether its engines are reliable, its avionics are competitive, and, most importantly, if it possesses the “sensor fusion” capabilities that give the F-35 its decisive combat advantage.
The arrival of China’s first carrier-launched fifth-generation stealth jet, the J-35, marks a significant step forward in the People’s Liberation Army’s (PLA’s) attempt to close its airpower deficit with the United States.
The U.S. Navy and Marine Corps, along with Pacific allies such as Japan and South Korea, now operate hundreds of sea-launched F-35Bs and F-35Cs. Until now, the PLA had no comparable platform.
The PLA Air Force (PLAAF) now operates as many as 300 J-20 Mighty Dragon stealth fighters. But these aircraft are land-launched and less equipped to sustain combat in a maritime environment, particularly beyond the first island chain.
The United States, by contrast, operates aircraft carriers and amphibious assault ships in the Pacific that can transport and launch hundreds of F-35s in the event of a major war—a foundational tool of power projection.
The carriers can position themselves strategically at sea to optimize attack options and increase survivability. Any U.S.-allied force would operate with a fleet of aircraft that offers long range, significant dwell time, and fifth-generation sensing and targeting capabilities.
However, if China quickly manufactures meaningful numbers of carrier-launched J-35s, it could considerably shrink this power-projection gap.
The U.S. has enjoyed a jump-start of at least a decade in deploying an operational carrier-launched fifth-generation stealth fighter, but China is well known for its civil-military fusion and its ability to rapidly mass-produce new platforms.
It showed how quickly it can catch up to the J-20, as the PLA has more than doubled the size of its Mighty Dragon force over the last several years.
J-35 Could be F-35 Rip-Off
Available specs claim the J-35 can reach Mach 1.8, a speed slightly faster than the F-35.
It also has a combat radius of 785 nautical miles, according to an interesting write-up in Defense Security Asia — roughly equivalent to the F-35B and F-35C, which each operate with overall ranges greater than 1,200 miles. Of course, the J-35’s most remarked attribute is significantly less technical: Its external configuration very closely resembles that of a U.S. F-35.
This is by no means surprising, given that multiple reports and Congressional assessments from more than 10 years ago cited evidence that China had stolen sensitive data about the F-35 through cyberattacks. The J-35 has a smooth, rounded, stealthy-looking blended wing-body and two F-35-like vertical tails.
J-35 (3506) From hangar to deck, and from deck to air. pic.twitter.com/2dLMiwuXx7
— International Defence Analysis (@Defence_IDA) September 22, 2025
Apart from powering thrust with two engines, instead of the F-35’s single-engine design, the J-35 is nearly indistinguishable from an F-35C.
J-35 Mission Systems
While they may look similar, the markers of difference between the F-35 and J-35 are probably not obvious, and it is hard to compare without knowing the specifics. For instance, what is the range and fidelity of the J-35’s targeting sensors, radar, and weapons guidance?
Does it have the ability to grow and control drones from the cockpit? Perhaps most important of all, does the J-35 function with any advanced AI-enabled sensor fusion capability, as the F-35 was designed to do?
U.S. Air Force wargames have demonstrated that the F-35’s targeting range is more than sufficient to track and destroy multiple fourth-generation platforms at distances where they cannot be detected.
This is, in considerable measure, enabled by the range and resolution of the F-35’s Electro-Optical/Infrared and Distributed Aperture System sensing and targeting technology. Does the J-35 have comparable sensing and computing abilities?
Other key variables include engine power, aerial agility, and thrust-to-weight ratio.
The J-35 incorporates a Chinese Guizhou WS-19 engine with afterburning turbofans, and observers are likely to wonder whether the J-35 can fly with an F-22-like supercruise, whereby the jet can maintain Mach speeds without needing an afterburner. The F-22 is famous for this.
Supercruise increases dwell time and combat-engagement time, at much higher speeds, for much more extended periods of time.
Thrust-to-weight ratio specs for the J-35 are not available, likely because the aircraft is new. Whether the J-35 can rival fighters with the best thrust-to-weight ratios—such as the American F-22 and the Russian Su-27—is an important question.
About the Author: Kris Osborn
Kris Osborn is the 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 Master’s Degree in Comparative Literature from Columbia University.
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