The AN/PSQ-20 Enhanced Night Vision Goggle (ENVG) is a monocular passive night vision device developed for the United States military by ITT Exelis. It fuses image-intensifying and thermal-imaging technologies, enabling vision in conditions with very little light. The two methods can be used simultaneously or individually. Selected by the U.S. Army's Program Executive Office Soldier ( ) as a supporting device for the Future Force Warrior program in 2004, it is intended to replace AN/PVS-7 and AN/PVS-14 systems currently in use. Although more expensive and heavier than these devices, special forces units and the 10th Mountain Division were fielding the AN/PSQ-20 by mid-2009. Improvements to the product have been attempted to make it lighter, as well as to enable transmission of digital ima