This brief highlights issues relating to military service members’ expression of violence outside of the military due to the constant readiness for or the exposure to organized violence. It investigates how service members are affected by these experiences, considering both the exacerbation of aggressive traits and the impact it has on mental health. The chapters address the following types of non-combat related violence: Suicide and Self-Harm in the Military Military Sexual Violence: Sexual Assault, Sexual Harassment, and Sexual Hazing Intimate Partner and Domestic Violence Among Military Populations Violent Criminal Behavior in the Military The volume also reviews the contributing factors to the perpetration of violence, including personality traits (i.e., aggression), the military life cycle, interpersonal dynamics, and mental health. It ultimately poses future directions to mitigate risk factors for non-combat related violence. This brief is ideal for military leaders, military psychologists, and mental health providers of service members and veterans.