[Help, at midnight, in outposts].
D000222:Adaptation, Physiological; D001077:Aptitude Tests; D003119:Color Perception Tests; D006801:Humans; D008887:Military Medicine; D014187:Transportation of Patients; D014787:Vision Tests; D014796:Visual Perception; D014857:Warfare
Au secours, à minuit, sur les avant-postes.