Can the A10 vulcan cannon sound be remixed? See youtube video of real-life sound...very distinct and ... fun :).
http://www.youtube.com/watch?v=ai1_f5MD3tg
There may be an isssue here, but NVG are in reality very sensitive to lights, and the optic's "energized" state (and over-energized state in the case of blindness) does indeed persist after a light source is no longer in line of sight.