Secretary of Defense Leon E. Panetta, President Barack Obama and Chairman of the Joint Chiefs of Staff Army Gen. Martin E. Dempsey render honors during the playing of the national anthem at the start of the armed forces farewell tribute to Panetta Feb. 8, 2013, at Joint Base Myer-Henderson Hall, Va. Panetta was scheduled to retire after serving as the 23rd secretary of defense. (U.S. Army photo by Staff Sgt Sun L. Vega/Released)