BAGHDAD – SEPTEMBER 1: U.S. Vice President Joe Biden (L) watches as outgoing Commander of US Forces in Iraq General Raymond Odierno (3rdR) participates in the changing of the colors ceremony with Lt. General Lloyd Austin (2ndR) during the U.S. Forces-Iraq change of command ceremony September 1, 2010 in Baghdad, Iraq. The military ceremony signaled a formal end to combat operations in Iraq after seven years of war that claimed more than 4,400 American lives. (Photo by Jim Watson-pool/Getty Images)
