AN/PSQ-20
... that the AN/PSQ-20 "Enhanced Night Vision Device" combines image intensifier and thermal imaging technologies, which were previously used separately?
... that the <b id="mwCSk"><a href="./AN/PSQ-20" id="mwCSo" rel="mw:WikiLink" title="AN/PSQ-20">AN/PSQ-20</a></b> "Enhanced Night Vision Device" combines <a href="./Image_intensifier" id="mwCSs" rel="mw:WikiLink" title="Image intensifier">image intensifier</a> and <a class="mw-redirect" href="./Thermal_imaging" id="mwCSw" rel="mw:WikiLink" title="Thermal imaging">thermal imaging</a> technologies, which were previously used separately?