Army Gen. Lloyd J. Austin III salutes President Barack Obama during the playing of the national anthem as part of a ceremony to retire the colors from the U.S. military mission in Iraq on Joint Base Andrews, Md., Dec. 20, 2011. Army Gen. Lloyd J. Austin III salutes President Barack Obama during the playing of the national anthem as part of a ceremony to retire the colors from the U.S. military mission in Iraq on Joint Base Andrews, Md., Dec. 20, 2011. SHARE: Download: Full Size (2 MB) Tags: photo essays Credit: VIRIN: 844652-O-MYI29-246.jpg Photo Gallery