Secretary of Defense Robert M. Gates addresses the audience during a Medal of Honor ceremony for U.S. Army Staff Sgt. Robert J. Miller in the Pentagon on Oct. 7, 2010. Miller was posthumously awarded the nation's highest honor for his heroic actions in Afghanistan on January 25, 2008, after displaying immeasurable courage and uncommon valor eventually sacrificing his own life to save the lives of his teammates and 15 Afghanistan National Army soldiers.