History
Initial engineering development of the AN/PVS-4 was undertaken by Optic Electronic Corporation of Dallas, Texas, in 1975 as a replacement for the Vietnam War era AN/PVS-2 Starlight Scope.
In 1976, the first production contract was awarded for 47,074 units, and first deployed in 1978.
16,927 more units were produced between 1985 and 1989 and 24,046 more units produced between 1990 and 1992.
By 2002, more than 150,000 units had been produced within the United States alone.
Although production has ceased, as recently as 2008 the US Military was still obtaining parts to both repair AN/PVS-4s and convert AN/PVS-4s to AN/TVS-5As. It is still presently also upgrading AN/PVS-4s to AN/PVS4As also.
During the Gulf War, the AN/PVS-4 was widely deployed on a variety of weapons. The Gulf War represented the first war in which ground combat operations continued both day and night through the use of Night Vision Devices.
Although more modern equipment was available during the Iraq War, the AN/PVS-4 was still in active use. Production of the AN/PAS-13 thermal weaponsight began in 1996 and production of the AN/PVS-4 ceased entirely by 2002.
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