NVU PVS7 Mil Spec Gen. The AN/PVS-7B/D night vision goggle is the current military issue night vision goggle for the US armed forces. It is also the preferred choice of many foreign (NATO) forces. Built to withstand the rigors of battlefield use, the PVS-7B/D was designed to withstand water immersion and be hands free. Originally built around a generation two image tube, the introduction of the generation three image tube increased the system performance by more than 50 percent and the tube lifespan by more than 300 percent. Features include an infrared LED (for use in ...