The Stormer HVM (High Velocity Missile) is a British mobile short-range air defense system, designed to provide a mobile, rapid-response anti-aircraft capability. It is based on the Alvis Stormer armored vehicle platform and is equipped with the Starstreak High-Velocity Missile system. The primary role of the Stormer HVM is to protect ground forces and key installations from low-flying aircraft, helicopters, and UAVs (Unmanned Aerial Vehicles).