MOONLIGHT I. IDENTIFICATION OF STATIONARY HUMAN TARGETS
GEORGE WASHINGTON UNIV ALEXANDRIA VA HUMAN RESOURCES RESEARCH OFFICE
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The studies were conducted to determine low visibility identification curves for human targets as a function of 1 Level of illumination, 2 position of target, 3 Position of observer, 4 Night vision training of observer. Two experiments were conducted using four groups of basic trainees as subjects. The first experiment was conducted under no-moon illumination and the second, using the same subjects, was conducted under full moon. The variables in each experiment were 1 position of target standing, kneeling, or prone, 2 position of observer standing, kneeling, or prone, and 3 type of night vision training administered to each group classroom training, field training, a combination of classroom and field training, or no training. It was concluded that the ability to identify human targets under low natural illumination is 1 Directly related to level of illumination, 2 Directly related to size of target being observed, 3 Directly related to height of the observers eyes above the ground under full-moon conditions, but not under no- moon conditions, 4 Not related to the short periods of night vision training employed in these studies.
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