Since 2001, a total of 2.4 million active-duty and reserve military personnel have been deployed to Iraq and Afghanistan. Of this group, 30%—nearly 730,000 men and women—have a mental health condition that requires treatment. Studies have shown that 18.5% of these veterans have posttraumatic stress disorder (PTSD), major depression, or both, and nearly 12% have another mental disorder. However, less than half of those with disorders receive treatment, and of these only 30% receive evidence-based care. A new report by the National Council for Behavioral Health outlines the challenges and the costs of meeting the behavioral health needs of a new generation of veterans—now and in the years to come—and concludes that a partnership of federal and civilian agencies will create the capacity to meet those challenges.