M167 Vulcan

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

The M167 VADS Vulcan Air Defense System, which has been withdrawn from service, was a towed short-range air defense gun intended to protect forward area combat elements and rear area critical assets.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

The M167A2 VADS was a modified M167A1 VADS 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 os bite implemented within the system's electronics.