Herschel Walker, Heisman Trophy recipient and mental health advocate, receives a coin from U.S. Army Col. William Galbraith, 733rd Mission Support Group commander, after speaking to a crowd at Fort Eustis, Va., Sept. 16, 2014. Walker is a spokesperson for programs specialized in mental health and addiction treatment for Service members, and has visited more than 80 military installations sharing his story. (U.S. Air Force photo by Airman 1st Class Kimberly Nagle/Released)