This study is part of the South Texas Research Organizational Network Guiding Studies on Trauma and Resilience (STRONG STAR) (Consortium Director: Alan L. Peterson, Ph.D., ABPP, Professor, Behavioral Wellness Center for Clinical Trials, Department of Psychiatry-Mail Code 7792, University of Texas Health Science Center at San Antonio (UTHSCSA), 7703 Floyd Curl Drive, San Antonio, TX 78229-3900). Dr. Edna Foa is the overall PI of the study, and the on-site PI is COL Jeffrey Yarvis, Ph.D.,Chief, Soldier Behavioral Health/Outpatient Psychiatry, Carl R. Darnall Army Medical Center, 36000 Darnall Loop, Fort Hood, TX, 76544. The study will be conducted at Fort Hood, Texas.