Col. Ricardo Martinez, chief of staff, speaks at the Suicide Prevention Symposium, held aboard the Combat Center, September 19, 2017. The symposium, organized by the behavioral health branch of Marine Corps Community Services, provided Combat Center leadership with information and resources to aid in dealing with mental health and suicide prevention. (U.S. Marine Corps photo by Lance Cpl. Isaac Cantrell) - Col. Ricardo Martinez, chief of staff, speaks at the Suicide Prevention Symposium, held aboard the Combat Center, September 19, 2017. The symposium, organized by the behavioral health branch of Marine Corps Community Services, provided Combat Center leadership with information and resources to aid in dealing with mental health and suicide prevention. (U.S. Marine Corps photo by Lance Cpl. Isaac Cantrell)