<qa>  What is standard care for SMI?Participants are randomly assigned to receive either a cognitive behavioral treatment plus standard care for SMI or standard care alone. The cognitive behavioral treatment incorporates several common features, including psychoeducation, relaxation training, and cognitive restructuring. Standard care for SMI includes medication, case management, and psychosocial treatment. PTSD, psychiatric symptoms, health, quality of life, and substance abuse outcomes are measured. Participants knowledge of PTSD and beliefs about the world are also measured. Participants are assessed at baseline, post-treatment 16 weeks, and at 3- and 6-month follow-ups. 