Military sexual trauma, or MST, is sexual assault or sexual harassment experienced during military service. MST includes any type of sexual activity against your will, including: Being pressured into sexual activities (for example, you were threatened with bad treatment for refusing sex or promised better treatment in exchange for sex); Sexual activities without your consent (for example, you were asleep or intoxicated); Being physically forced into sexual activities; Threatening, offensive remarks about your body or sexual activities; Threatening and unwanted sexual advances; Unwanted touching or grabbing, including during hazing.