Chinese HQ-22 air defense system has an American stamp! US firm develops surrogate model of SAM system

In a significant development for defense industry and military preparedness, a U.S. company has successfully created a surrogate - an exact replica - of the Chinese HQ-22 surface-to-air missile (SAM) system. This surrogate model, created by Torch Technologies’ Integration and Prototyping Center (TIPC), is intended to support the U.S. Air Force and allied forces in studying, training against, and developing countermeasures for one of China's most advanced medium- to long-range air defense systems.

The HQ-22, known by NATO as the CH-SA-20 and also exported as the FK-3, is a modern Chinese SAM system designed by Jiangnan Space Industry (part of China Aerospace Science & Industry Corporation Limited, CASIC). It represents a key advancement from earlier Chinese air defenses like the HQ-12 and HQ-2, with enhanced range, guidance technologies, and multi-target engagement capabilities.

This isn’t the first instance of the U.S. Air Force incorporating a replica of a Chinese surface-to-air missile system into its training program. Back in July, the service publicly unveiled a surrogate HQ-16 target vehicle designed to enhance advanced pilot training. The mock system was displayed at the Experimental Aircraft Association’s annual AirVenture show at Wittman Regional Airport in Oshkosh, Wisconsin.

HQ-22 system overview

The HQ-22 missile system features mobile, truck-mounted launchers typically consisting of four missiles each, mounted on heavy 8×8 wheeled vehicles. Each battery usually comprises multiple launchers and a multifunction radar system, notably the H-200 radar, capable of tracking and engaging up to six targets simultaneously with twelve missiles in flight provision.

The missiles themselves have a range generally reported between 100 to 150 kilometers, capable of intercepting aircraft, helicopters, drones, and cruise missiles at altitudes from as low as 50 meters up to about 27,000 meters.

Guidance is achieved through a dual method: for the early phase, command radio guidance directs the missile via ground systems, shifting to semi-active radar homing, specifically track-via-missile (TVM) mode in the terminal phase. This combined guidance improves the missile’s resistance to electronic countermeasures and enhances accuracy against agile or stealthy targets.

The missiles are launched at an angle (inclined launch) from transport-launch containers, facilitating rapid reload and protected storage during transport. The launcher vehicles feature self-contained power systems and are built on platforms with significant cross-country mobility and an operational range of up to 800 km.

The H-200 radar uses a digitally controlled phased array antenna, allowing rapid beam steering and simultaneous tracking/guidance of multiple threats, enhancing battlefield situational awareness and engagement efficiency.

Strategic significance and export

The HQ-22 system was publicly unveiled at the 2016 China International Aviation & Aerospace Exhibition and entered service with the People’s Liberation Army Air Force (PLAAF) around 2019. It was designed to replace older, less capable systems and to offer China a cost-effective but highly capable medium- to long-range air defense layer comparable in function to U.S. Patriot or Russian S-300 missile systems, though with some operational differences and advantages in electronic warfare resistance.

Notably, the export variant FK-3 has been sold internationally; Serbia received FK-3 batteries in 2019, marking one of the first sales of Chinese long-range air defense systems to a European country.

US surrogate model: Purpose and implications

The newly developed surrogate model by the U.S. firm mimics the physical appearance, radar signature, and operational features of the HQ-22 system. While it is not an operational weapon, it serves as a realistic training target and intelligence tool, enabling U.S. operators and defense analysts to better understand the capabilities, operational patterns, and vulnerabilities of the system.

Such surrogate systems play a critical role in preparing aircrews and missile defense personnel for potential engagements by providing live or simulated training with realistic enemy air defense emulation. The surrogate assists in testing tactics, countermeasures, electronic warfare techniques, and avionics designed to overcome Chinese air defense layers.

According to defense experts, the HQ-22’s layered radar and missile engagement zones are sophisticated, presenting a challenge that the U.S. Air Force seeks to replicate and eventually counter effectively through enhanced electronic and kinetic solutions.