LAST COMMANDER President Barack Obama and Vice President Joe Biden, lower left, applaud as Army Gen. Lloyd J. Austin III, the last commander of U.S. Forces Iraq, arrives on Joint Base Andrews, Md., Dec. 20, 2011. Defense and military leaders attended a ceremony to retire the colors from the U.S. military mission in Iraq. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 245524-E-HBL85-968.jpg Photo Gallery