WAR'S END U.S. Defense Secretary Leon E. Panetta talks to U.S. service members on the former Sather Air Base in Baghdad, Dec. 15, 2011, during a ceremony that marked the end of Operation New Dawn. Since 2003, more than 1 million airmen, soldier, sailors and Marines have served in Iraq. U.S. Marine Corp Gen. John R. Allen, right, commander of U.S. and international forces in Afghanistan, listened to Panetta's speech. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 113072-B-LLN84-668.jpg Photo Gallery