Air defense base

 military, surface-to-air missile site / sam

The most basic formation of a HQ-9 batteries consisted of one Type 305B search radar, one tracking radar, one 200kW Diesel generator truck, and eight Transporter erector launchers (TELs) each with 4 missiles, totaling 32 rounds ready to fire. These equipments are usually mounted on Tai'an trucks. This basic formation can be expanded into more capable larger formation, with the addition of the following equipment: one TWS-312 command post, one site survey vehicle based on Chinese Humvee, one main power grid converter, additional transporter / loader vehicles with each vehicle housing four missile TELs based on Tai'an TAS5380, one Type 120 low altitude search radar, one Type 305A AESA search radar for full anti ballistic missile capability, and a passive radar against stealth targets.