I attended a conference last month at the University of San Diego called Serving Those Who Serve, there i met a women who had served as a nurse in the army for many years. She came back from Iraq and suppressed symptoms of PTSD for years before finally seeking help. She now has a service dog which she credits an enormous amount of her mental health to. She has become a huge advocate for mental health services including service dogs for veterans. She told a story of a veteran she knew who one day planned to kill himself out in the desert, but the thought of leaving his service dog behind kept him alive.