U.S. Army LT. GEN. William Wallace (left), Commander, 5th Corps, salutes arriving The Honorable Donald H. Rumsfeld, U.S. Secretary of Defense at Baghdad International Airport. The Secretary of Defense arrived on the U.S. Air Force C-130 Hercules for a tour of Baghdad and to speak with the troops during Operation Iraqi Freedom. (DoD photo by STAFF SGT. Cherie A. Thurlby) (Released)