With the current military mental health crisis, it is important to understand the role of the leader in military mental health. First, the impact of military leader behaviors on the well-being of military personnel is reviewed. Next, the role of leader attitudes as a precursor to leader behaviors is discussed. The relation of leader behaviors to leader personality using the NEO Five Factor Model (FFM) is reviewed, as well as the relation of prejudicial attitudes to the NEO FFM personality factors. A research project is described that attempted to draw these concepts together, assessing the NEO FFM personality dimensions and mental health attitudes of US Army ROTC cadets, the future leaders of the US Army. No significant relations were observed between NEO FFM personality traits and mental health attitudes, even after controlling for Impression Management. Also, the predicted positive correlation between positive mental health attitudes and Impression Management was not found. These results suggest that more research and more refined measures are needed in the area of leader attitudes toward soldier mental health problems, and how those attitudes might impact the soldiers.