PARTING WORDS U.S. Defense Secretary Leon E. Panetta speaks to troops after a ceremony marking the end of the U.S. mission in Iraq in Baghdad, Dec. 15, 2011. Panetta told troops that they would leave Iraq knowing that their sacrifice helped the Iraqi people. SHARE IMAGE: Download Image: Full Size (0.08 MB) Photo By: VIRIN: 625050-P-WFV85-812.jpg Photo Gallery