Other Inclusion Criteria:

• Adult active duty military service members and veterans aged 18 or older. 
• Endorses a history of military-related betrayal (on the Brief Betrayal Trauma Survey; BBTS)
• 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)

Other 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 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, respectively.