The lessons emerging from Tunisia were clear to Army psychiatrists: “the average soldier reached his peak effectiveness in the first ninety days of combat and was so worn out after 180 days that he was rendered useless and unable to return to military service.” Another study noted that “no man is removed from combat duty until he [has] become worthless. The infantryman considers this a bitter injustice…. He can look forward only to death, mutilation, or psychiatric breakdown.”