AN/PVS-4 (more formally 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The AN/PVS-4 first saw widespread use during the Gulf War and later some deployment in the Iraq War and has since been replaced by modern third-generation weaponsights.
Read more about AN/PVS-4: Introduction, History, Design Details, Operation, Variants, Reticles, Location of Manufacture, Alternate Use, Summary, Cultural Impact and Civilian Ownership, See Also