FILE - In this Wednesday, Sept. 30, 2009 file photo, U.S. Marines patrol the Nawa district, Helmand province, southern Afghanistan. A psychological wound known as moral injury is gaining attention in the aftermath of the wars in Iraq and Afghanistan, with veterans now being treated for these injuries to the soul — even as medical experts debate whether moral injury is a condition unto itself or a subset of post-traumatic stress disorder. (AP Photo/Brennan Linsley)