Tim McGraw and wife Faith Hill will perform during Country United: Advancing Medicine from the Frontlines to the Homefront, an event taking place Nov. 6-7 in Washington, D.C., to support our nation's wounded warriors. The symposium and gala are supported by the Henry M. Jackson Foundation for the Advancement of Military Medicine and the Tug McGraw Foundation. McGraw and Hill are co-chairing the event that will raise money to help advance medical care and improve quality of life for service members and civilians. Hill is also scheduled to provide the keynote address during the Nov. 6 symposium. The gala will take place Nov. 7. "My father, Tug McGraw, proudly served as a Marine, and I'm honored to play a role in this very special event," Tim McGraw said. "The goal of Country United is aligned with our own mission to accelerate treatment and cures around quality-of-life issues."