FILE - In this Aug. 23, 2011, file photo provided by the Defense Video & Imagery Distribution System, Sgt. Robert Bales takes part in exercises at the National Training Center at Fort Irwin, Calif. It is still not known if Bales, who allegedly massacred 17 Afghans, was ever diagnosed with post-traumatic stress disorder, but even if he had been that alone would not have prevented him from being sent back to war. The Army diagnosed 76,176 soldiers with PTSD between 2000 and 2011. Many returned to the battlefield after mental health providers determined their treatment worked and their symptoms had gone into remission. The case of Bales has sparked debate about whether the practice needs to be re-examined. The Army is reviewing all its mental health programs and its screening process in light of the March 11 shooting spree. (AP Photo/DVIDS, Spc. Ryan Hallock, File)