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Black box sheds light on night vision challenges for aircrew students
A collaborative effort of the 502nd Trainer Development Squadron and Air Education and Training Command Aerospace Physiology Lead Command, the unaided night vision trainer, also known as an NV light bar, demonstrates how dark adaptation and various types of lighting enhance unaided night vision. (U.S. Air Force courtesy photo)

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Photo by: Courtesy photo |  VIRIN: 200603-F-XX999-0001.JPG