Hypersonic glide motor vehicle (HGV) is often a type of warhead for ballistic missile that could maneuver and glide at hypersonic speed. It can be made use of on ballistic missiles to significantly change their trajectories. Common ballistic missiles follow a predictable ballistic trajectory and therefore are susceptible to interception https://www.truckspares365.co.uk/hub/hgv-exhaust-silencers/