Abstract
This paper describes lessons learned over a 12-year period of evaluating the adequacy of standalone and integrated night vision goggles (NVGs). The term integrated means NVGs that are combined with other sensors or displays to present an overall picture to the crewmember. Lessons learned cover the effects of the basic human visual system, limitations of types of NVG equipment, problems that have occurred during implementation and identifying operational utility. The lessons are limited to the devices (either projected view or direct view) that amplify the existing visible or near infrared energy and present it to the crewmember. Issues relevant to true Infra-Red (IR) detector sets (wavelengths between than 1 and 20 microns) are not discussed.
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