Former Heisman Trophy winner and NFL running back, Herschel Walker, poses with Airmen during a visit to Barksdale Air Force Base, Louisiana, Oct. 15, 2018. He came to the 307th Bomb Wing headquarters building to discuss resiliency and how he coped with his own battles with dissociative identity disorder. He also took time to answer questions about his career and sign memorabilia. (U.S. Air Force photo by Master Sgt. Ted Daigle)