Although the J-20 has been pushed into service, recent problems with the J-15 carrier-based fighter suggest that the Chinese answer to the F-22 isn’t quite ready for prime-time despite propaganda from Chinese-owned media outlets that portray the J-20 as a fully-armed and operational battle station. That certainly sounds familiar …

On August 1st, China celebrated the founding of the People's Liberation Army by allowing some high-resolution photos of the next-generation J-20 stealth fighter to leak, complete with a tasteful photoshopped-on patriotic dragon painting just below the canopy which just screams "Happy Birthday, PLA."

As usual, photos of J-20 are posted online to celebrate the Army Day on 1 Aug. pic.twitter.com/Gv7rgy5Jui — dafeng cao (@dafengcao) July 31, 2018

(This article originally appeared at Task & Purpose. Follow Task & Purpose on Twitter. This article first appeared in 2018.)

The new photos of the J-20 provide an up close and personal look at the fuselage of the new interceptor. But the photos also appear to show a sensor system that looks awfully similar to the Lockheed Martin Electro-Optical Targeting System (EOTS) on the front of the F-35 Lighting II.

There’s a reason for this: In 2007, Lockheed Martin dealt with something of a cyber Ocean’s 11 when Chinese hackers stole technical documents related to the development of the F-35. The details on the hack, eventually revealed in documents leaked by Edward Snowden, are just one example of Chinese attempts to steal foreign aviation technology; as recently as 2017, Chinese hackers went after Australian F-35 defense contractors, nabbing even more info on the cutting-edge fighter.

Although the two electro-optical systems pictured above are not identical, they share quite a few similarities in shape and placement: compared to the Eurofighter or Su-57’s electro-optical systems and Infrared Tracking Systems (IRTS), respectively, which are also mounted on top of the fuselage, the differences between the Lockheed Martin and J-20’s Systems ate relatively minor. The system’s positioning under the nose of the aircraft also reinforces that the J-20 is probably designed for both long-range strike missions against ground targets and interceptor duties. However the J-20 EOTS appears to be less capable than the F-35 equivalent, judging by the size and layout of the J-20 EOTS enclosure.

Much about the J-20 is shrouded in secrecy, but the plane is most likely powered by the same two AL-31F engines which are used in the Su-27, a Russian fighter that is capable of a top speed of Mach 2.3. But the J-20 could also be flying with indigenous (but less reliable) WS-10B engines, due to a lack of Russian engines or as a stopgap until the more powerful WS-15 jet engines are ready for operational use. And while parts of the design of the J-20 appear to resemble the F-22 and it’s stealthy curves, these similarities could be skin deep as the angularity on the jet inlets and wings remain quite different, and the J-20 lacks all-aspect stealth. Recently the Indian Air Force claimed they could track the J-20 using the Su-30MKIs electronically scanned ‘Phazotron Zhuk-AE’ radar.

Although the J-20 has been pushed into service, recent problems with the J-15 carrier-based fighter suggest that the Chinese answer to the F-22 isn’t quite ready for prime-time despite propaganda from Chinese-owned media outlets that portray the J-20 as a fully-armed and operational battle station. That certainly sounds familiar …

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