army
Members of the Honor Guard practice their moves prior to the start of the U.S. Army Chief of Staff change of responsibility ceremony at Fort Myer, Va., April 10, 2007. Gen. George W. Casey took over as Chief of Staff from Gen. Peter J. Schoomaker in a ceremony hosted by Acting Secretary of the Army Pete Geren. DoD photo by Cherie A. Thurlby. www.army.mil