【Foreign Media: J-20A Fighters Have Been Delivered to Four High-Priority Frontline Aviation Brigades of China】

According to a report published on the Military Watch Magazine website on July 3, 2026: A video released on July 3 confirmed that the J-20A fifth-generation air superiority fighter has been delivered to the fourth aviation brigade of the People's Liberation Army Air Force (PLAAF), namely the First Aviation Brigade stationed in Anshan under the Northern Theater Command. Notably, this brigade is also the fourth unit to receive the basic-model J-20 fighter (first delivered in January 2021) and the first frontline unit to receive the J-20 equipped with the domestically produced WS-10C engine. All known deliveries of the J-20A to frontline units have been made to brigades already equipped with the basic-model J-20. These four brigades have all transitioned to significantly enhanced new aircraft, while older fighters have been reassigned to lower-priority brigades and garrisons.

The J-20A integrates extensive improvements in aerodynamics, propulsion, avionics, and internal structure. The most noticeable change is the redesigned rear fuselage behind the cockpit. This fighter features a raised spine, with a smoother transition between the canopy and the fuselage, which reduces transonic and supersonic drag, enables more streamlined airflow over the upper fuselage, and creates greater internal space for additional avionics equipment, cooling systems, wiring, or fuel. Unverified reports indicate that compared to the original model, this variant exhibits significantly improved power generation and cooling capabilities, along with far superior computing performance—endowing it with greater potential for future modernization upgrades. It is expected that these fighters will gradually evolve toward a "5+ generation" standard through integration of sixth-generation subsystems.

Before the First Aviation Brigade, confirmed units that have transitioned to the J-20A include: the 5th Aviation Brigade based in Guilin City, Guangxi; the 9th Aviation Brigade stationed at Wuhu Air Base, Anhui; and the 41st Aviation Brigade located near the Taiwan Strait at Wuyi Mountain Air Base. The 9th Aviation Brigade became the third unit to integrate the basic-model J-20 in January 2019, followed by the 5th Aviation Brigade becoming the fifth recipient in June 2021. The 41st Aviation Brigade began receiving stealth J-20 fighters in 2023, making it the eleventh confirmed recipient. These brigades are considered elite forces stationed in high-priority locations, as evidenced by their priority in receiving both the basic-model J-20 and now the upgraded J-20A. The extent of modification training required for pilots and ground crews transitioning from the basic-model J-20 to the J-20A remains unclear, but shifting maintenance focus from the older WS-10C engines to the newer WS-15 engines is expected to be the most significant change.

In 2026, confirmed production of the J-20A has transitioned from the WS-10C engine to the indigenous WS-15 engine, which is now the standard engine for mass-produced J-20 series fighters and is expected to eventually be used to upgrade the first two battalions of J-20A aircraft. The WS-15 represents an entirely new engine design rather than an enhanced derivative of an existing one, marking a major milestone in China’s combat aviation industry. To put it into perspective: the last entirely new-design fighter engine developed by the United States, the F119, first flew in 1990 and was integrated into production fighters nearly three decades ago in 1997. As one of the most complex fighter engines currently being produced worldwide, the WS-15 reportedly boasts a thrust-to-weight ratio second only to the F135 engine powering the F-35 fifth-generation fighter among known fighter engine types. This engine provides stronger electrical power for onboard avionics, extends range, brings substantial improvements across all key flight performance aspects, and simultaneously reduces maintenance requirements.

The future of the J-20 program remains highly uncertain, despite its status as a strong contender for the title of the world’s most powerful fighter today. Its capabilities are destined to be surpassed by two planned sixth-generation air superiority fighters set to enter service in the early 2030s. One of these, informally dubbed the "J-50" by online communities, appears to be similar in size to the J-20 but far more complex in design and likely also uses the WS-15 engine. If this aircraft maintains maintenance costs and upkeep demands comparable to those of the J-20, it is highly probable that it will replace the J-20 on the production line, potentially leading to the termination of J-20 production in the early or mid-2030s. A report issued in January by the Royal United Services Institute (RUSI) estimates that by 2030, the PLAAF will operate approximately 1,000 J-20 fighters. Current estimates suggest over 500 are already in active service, meaning China’s current procurement rate for this aircraft far exceeds that of any other country purchasing any other type of fighter jet.

Disclaimer: The above report originates from the Military Watch Magazine website.

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Original source: toutiao.com/article/1869727211777162/

Disclaimer: This article reflects the personal views of the author