AN/TWQ-1 Avenger
The AN/TWQ-1 Avenger Air Defense System is an American self-propelled surface-to-air missile system that provides mobile, short-range air defense protection for ground units against cruise missiles, unmanned aerial vehicles, low-flying fixed-wing aircraft, and helicopters. The Avenger was originally developed for the United States Armed Forces; it is currently used by the U.S. Army and previously by the U.S. Marine Corps.