Earlier, Browning noted that the gas chambers are designed to help alleviate the psychological burden associated with firing squads. Reserve Police Battalion 101, then, is a perfect example of how demoralizing being on a firing squad is. The demoralization is worrying because if the men become too depressed, ashamed, and angry then they won’t function well in any other part of their job. After the prevalence of mental illnesses like shell shock (which today might be diagnosed as PTSD) after World War I, military leaders were very aware of how important it is to tend to their men’s mental health as well as physical health.