The given assignment is a comprehensive study on the effects of post-traumatic stress disorder (PTSD) among military veterans. It includes an analysis of various research papers that highlight the prevalence of PTSD in US military veterans, its relation to suicidal ideation, smoking outcome expectancies, and alcohol misuse. The assignment also discusses rehabilitation counseling as a primary care-based treatment for PTSD and depression among returning veterans. Additionally, it explores the relationship between PTSD symptom clusters and criminal justice involvement in Iraq and Afghanistan war era veterans.