Secretary of Defense Robert M. Gates addresses the audience during an induction ceremony into the Hall of Heroes for Medal of Honor recipient Army Staff Sgt. Salvatore Giunta in the Pentagon on Nov. 17, 2010. Giunta, the first living Medal of Honor recipient since the Vietnam War, received the nation's highest military honor for his actions of valor during an enemy attack in the Korengal Valley of Afghanistan in October 2007 when he risked his life to save the lives of his fellow soldiers.