U.S. Marine Corps Lt. Gen. Willie J. Williams, front

U.S. Marine Corps Lt. Gen. Willie J. Williams, front left, the director of the Marine Corps Staff, participates in a retirement ceremony in his honor at Marine Barracks Washington in Washington, D.C., July 10, 2013. Williams, who assumed the position of Marine Corps Staff director in July 2009, was commissioned in May 1974 and retired after 39 years in the Marine Corps. (U.S. Marine Corps photo by Adrian R. Rowan/Released)