The M163 Vulcan Air Defense System (VADS), officially Gun, Air Defense Artillery, Self-Propelled 20-mm, M163, is a self-propelled anti-aircraft gun (SPAAG) that was primarily used by the United States Army. The M163 provides mobile, short-range air defense protection for ground units against low-flying fixed-wing aircraft and helicopters. It replaced the M42 Duster as the standard American armored light air-defense gun.
A U.S. Army M163 from the 24th Infantry Division at the Fort Irwin National Training Center in November 1988
An M163 during the Persian Gulf War's Operation Desert Shield.
An M163 Vulcan anti-aircraft gun system vehicle returns to the vehicle staging area after an exercise at the National Training Center in Fort Irwin, California.
A close-up of the 20 mm Vulcan cannon on the M163 VADS.
Self-propelled anti-aircraft weapon
An anti-aircraft vehicle, also known as a self-propelled anti-aircraft gun (SPAAG) or self-propelled air defense system (SPAD), is a mobile vehicle with a dedicated anti-aircraft capability.
A Soviet-made ZSU-23-4 "Shilka" in California during a USMC exercise, 1997
A World War 1, British, truck-mounted, QF 3 inch gun
Pierce-Arrow armoured AA lorry
Landsverk L-62 Anti-prototype in 1939.
