Treatment of Chronic Anger and Aggression Following Military-Related Betrayal

Inclusion Criteria: * Adult active duty military service members and veterans aged 18 or older. * Endorses a history of military-related betrayal (on the Modified Moral Injury Questionnaire) * Endorses problematic anger in the past month (as evidenced by a score of 12 or above on the Dimensions of Anger Reactions; DAR-5) * Engaged in at least 1 self-reported act of aggression in the past 1 month (on the Overt Aggression Scale-Modified; OAS-M) Exclusion Criteria: * Participated in an anger management or trauma-focused intervention within the past 3 months as assessed by self-report. * Acute suicidality requiring immediate intervention, such as hospitalization as assessed by the Depressive Symptoms Index-Suicidality Subscale (DSI-SS) combined with follow up clinical interview for elevated scores. * Is currently homicidal with plans and intent to hurt a specific person and requiring immediate intervention as measured by self-report and follow-up with clinician if screened positive. * Moderate to severe brain injury as measured by inability to comprehend the informed consent document or baseline assessments. * Has severe alcohol consumption patterns as evidenced by a score of 19 or above on the Alcohol Use Disorders Identification Test (AUDIT). * Experiencing active psychosis or mania as measured by the Prodromal Questionnaire-Brief Version and the Mood Disorders Questionnaire.