Secretary of the Air Force Michael Donley presides over the unveiling of the official portrait of former Air Force Chief of Staff of the Air Force retired Gen. Norton Schwartz during a ceremony held in the Pentagon, Washington, D.C., on Jan. 8, 2013. The portrait painted by artist Michele Rushworth will be on display in the Pentagon's Arnold Corridor alongside the portraits of the other former chiefs of staff of the Air Force. (U.S. Air Force photo/Jim Varhegyi)