AN/PVS-4

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AN/PVS-4 (Night Vision Sight, Individual Served Weapon, AN/PVS-4) is the U.S. military designation for a specification of the first second generation passive Night vision device. The AN/PVS-4 first saw widespread use during the Gulf War and later some deployment in the Iraq War and has since been replaced by modern third-generation weapon sights. In accordance with the Joint Electronics Type Designation System (JETDS), the "AN/PVS-4" designation represents the 4th design of an Army-Navy electronic device for portable visual detection equipment. The JETDS system also now is used to name all Department of Defense electronic systems.

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