Richard “Doc” Walker, former Washington Redskins player and current sports announcer, thanks military members for their service during the Washington Redskins training camp at the Bon Secours Training Center in Richmond, Va., July 31, 2015. The event was part of a National Football League program at creating and fostering understanding and appreciation for the military community. (U.S. Air Force photo by Staff Sgt. John D. Strong II/Released)