The world's only twin-seat stealth fighter! How shocking is the J-20S's cross-domain combat? Expert analysis

At the 2025 September 3rd military parade, the J-20S made its first public appearance; it is a derivative model of China's first stealth fighter, the J-20.

As the only dual-seat stealth fighter in the world, the J-20S has an extended cockpit compared to the J-20, accommodating an additional pilot. This is not just a simple "1+1," but significantly enhances the J-20S's precision strike capabilities against ground and maritime targets.

The J-20S can hunt targets on land and at sea

Military commentator Wei Dongxu: The J-20S is a dual-seat version of a stealth fighter, which can be said to have significantly improved performance and combat capabilities.

Firstly, it possesses a strong ability to seize air superiority. It can approach relevant airspace secretly and take the initiative.

During missions to strike ground and maritime targets, the J-20S also has a stronger precision firepower output capability. The two pilots can better maneuver the J-20S for reconnaissance and targeting of maritime and land targets, hunting them effectively.

In the process of striking an adversary's tightly defended maritime operational system, the J-20S can guide more stealth fighters and unmanned stealth attack aircraft to jointly deliver air-to-sea firepower.

It can also leverage its own advantages of high speed and stealth, along with the collaborative combat capabilities of two pilots, to quietly hunt large mobile platforms at sea.

The J-20S transforms from "assault operator" to battlefield "commander"

The J-20S breaks the traditional single function of fighter jets focused solely on frontline assaults, deeply integrating air combat, situational awareness, electronic warfare, and tactical command and control, successfully transforming from a mere "assault operator" to a command node within the air combat system. It is this fundamental transformation that combines multiple key capabilities, elevating the fighter jet to a force multiplier, making the J-20S a standout "cross-domain" equipment.

The J-20S will shape a new air combat landscape

Military expert Wang Mingzhi: The J-20S is a unique presence in the air force's air superiority combat system, undertaking very distinctive combat missions.

On the basis of maintaining stealth combat capabilities, the J-20S enhances battlefield situational awareness, intelligent decision support, networked collaborative communication, and manned-unmanned collaborative combat capabilities.

It can form stealth penetration strike modules, integrated fire strike modules, and mixed manned-unmanned combat modules in aerial operations with other combat units.

It undertakes tasks such as multi-dimensional information fusion, dynamic command decision-making, optimized task allocation, and collaborative engagement control in high-threat environments.

It can be said that the J-20S is a game changer in air combat rules, shaping a new air combat landscape.

(Source: China Central Television's Defense Military Channel program "Li Jian")