Outgoing Secretary of Defense Leon E. Panetta, left, Michael L. Rhodes, director of Administration and Management, stand for the arrival of the colors during Panetta's farewell ceremony at the center courtyard in the Pentagon, Washington, D.C., Feb. 12, 2013. Panetta, whose public service career spanned four decades and included stints as a lawmaker, White House chief of staff and CIA director, oversaw the repeal of a ban on gays serving openly in uniform and opened combat roles to women. (U.S. Army photo by Eboni Everson-Myart/Released)