Missile HQ-9 (CH-SA-9)

The HQ-9 development program began in the 1970s, with full-scale development commencing in the late 1980s. The system is considered a derivative of or equivalent to the Russian S-300. Analysts describe the missile as a hybrid design based on the SA-20, with radar, seeker head, and command-and-control elements influenced by American and Israeli technology.

The missile utilizes semi-active radar homing and track-via-missile guidance, combining inertial guidance, mid-course uplink, and terminal active radar. It is powered by solid fuel and carries a warhead. The HQ-9B variant includes a passive infrared seeker, while the HQ-9C is designed for the terminal-phase interception of ballistic missiles. The HQ-19 variant is intended for midcourse and terminal interception of medium-range ballistic missiles. Naval variants, designated HHQ-9, are configured for surface-ship launch. The system can integrate fire-control radars from other indigenous surface-to-air missile platforms. Export versions, such as the FD-2000, can be fitted with passive radar for targeting stealthy aircraft.

The system entered service in 2001 and is deployed by the People's Liberation Army Air Force and Navy. Deployment locations have included Hotan in Xinjiang near the Line of Actual Control and Woody Island in the South China Sea. The naval variant was first carried by Type 052C destroyers. International operators include Morocco, Turkmenistan, Uzbekistan, Pakistan, Egypt, Azerbaijan, and Iran. Pakistan operates the HQ-9/P variant, which was used in combat during the 2025 India-Pakistan conflict. During this engagement, the system reportedly shot down aircraft, while opposing sources reported the destruction of an HQ-9 fire control radar at Chaklala. In 2025, Egypt deployed the HQ-9B in the Sinai as part of an integrated aerial defense network. Turkey selected the export variant for its long-range air defense requirements in 2013 but canceled the acquisition in 2015.