As many as one-third of all combat veterans experience symptoms of post-traumatic stress disorder following their service to the military (United States Department of Veterans Affairs 2016). Despite government efforts to provide care for those suffering from PTSD symptoms, veterans still struggle to receive appropriate and effective treatments. Inadequate care often has devastating effects on the veteran and his or her family. Currently, veterans typically receive individual treatments such as cognitive behavioral therapy, exposure therapy, or eye movement desensitization and reprocessing. While the United States Department of Veterans Affairs provides individually focused evidenced based treatments, they do not currently endorse any particular model of family systems therapy for the treatment of PTSD in veterans or their families. The present article aims to demonstrate that Internal Family Systems (IFS), a systemic form of therapy, provides an effective treatment for combat veterans who suffer from PTSD. We propose that IFS’s collaborative approach, less-pathologizing stance, and simple language will resonate with military populations. We also argue that IFS provides a seamless transition between individual and family therapy allowing the therapist to address both the individual and relational effects of PTSD.