Chief of Staff of the Army Gen. George Casey at the Sergeant Major of the Army Kenneth O. Preston's retirement ceremony at Joint Base Myer-Henderson Hall, Va. March 1st, 2011. (Chris Maddaloni/Staff)
Chief Master Sergeant of the Air Force James A. Roy greets Command Sergeant Major Raymond Chandler at his swearing-in ceremony to become Sergeant Major of the Army at the Pentagon, Va. March 1st, 2011. (Chris Maddaloni/Staff)
