The missile is armed with a 180 kg warhead, has a maximum speed of Mach 4.2.[1] and has a maximum range of 200 km.[2] The thrust vector control (TVC) of HQ-9 is the most obvious visual identification that distinguish it from S300V: TVC of HQ-9 is exposed and thus can be observed from the side, while TVC of S300V is not exposed. The HQ-9's guidance system is composed of inertial guidance plus mid-course uplink and active radar terminal guidance systems.[citation needed]