Secretary of Defense Chuck Hagel speaks during a ceremony to induct posthumous Medal of Honor recipient U.S. Army Capt. Emil Kapaun, a chaplain, into the Hall of Heroes at the Pentagon in Arlington, Va., April 12, 2013. Kapaun's nephew, Ray Kapaun, accepted the medal on behalf of the chaplain, who received the award for his heroism during the Korean War Battle of Unsan.