The special and prominent place that neuropsychiatry occupies in the Army has been discussed. The problems confronting this specialty have been considered, together with the contributions that can be and have been made. Much of the progress in this field was given momentum by the last war. Neuropsychiatrists have again an exceptional opportunity to collect valuable data from many sources which will further enrich neuropsychiatric understanding and literature if they will seize the unexcelled opportunity within their grasp. At the same time they will contribute in fullest measure to a successful conclusion of the greatest military effort in the world's history.