U.S. Navy Adm. James A. Winnefeld Jr., the vice chairman of the Joint Chiefs of Staff, congratulates Warrior Games Ultimate Champion Air Force veteran Mitchell Keiffer during the Warrior Games tailgate celebration at the Air Force versus Navy football game at the U.S. Air Force Academy's Falcon Stadium in Colorado Springs, Colo., Oct. 4, 2014. The Warrior Games is an annual event allowing wounded, ill and injured service members and veterans to compete in Paralympic sports including archery, cycling, shooting, sitting volleyball, track and field, swimming and wheelchair basketball. (DOD photo by Staff Sgt. Sean K. Harp, U.S. Army/Released)