M167 VADS

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This M167 fired on enemy aircraft during the Persian Gulf War.

The M167 Vulcan Air Defense System (VADS) was a towed short-range United States Army air defense gun intended to protect forward area combat elements and rear area critical assets. It also protected against lightly armored ground targets. It has been withdrawn from service.

The M167A2 VADS was modified with an improved fire control subsystem. The improvement was obtained by replacing the disturbed reticle sight with a director reticle sight, the sight current generator with a digital processor, and the azimuth drive assembly with a harmonic drive. It also had an operating system byte^[clarify] implemented within the system's electronics.