This state-of-the-science guide to assessing and treating posttraumatic stress disorder (PTSD) in active-duty service members and veterans has now been extensively revised with 65% new material. Leading authorities review available evidence-based treatments, including individual, group, and couple and family therapy approaches. Knowledge about military culture, the stressors experienced by service members, and common challenges for both military and civilian practitioners is woven through the volume and reflected in the vivid case examples. Chapters on specific clinical issues delve into co-occurring affective, anxiety, substance use, and sleep disorders; treatment of particular types of trauma; suicide prevention; and more.