Herschel Walker, former NFL running back and Heisman Trophy winner, takes in the flight line at Travis AFB, Calif., from atop a C-5M Super Galaxy, Nov. 5, 2014. During a two-day tour of the base, Walker met Airmen and shared his personal story and experience with mental illness and the importance of asking for help before a person's life unravels. His visit to Travis was in partnership with the Patriot Support Program and Anti-Stigma Campaign. (U.S. Air Force photo/Ken Wright)