NEWEST CITIZENS U.S. troops take the citizenship oath during a naturalization ceremony in Al Faw Palace on Camp Victory, Iraq, July 4, 2010. More than 150 servicemembers became citizens in a ceremony attended by Vice President Joe Biden and his wife, Jill Biden. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 047184-U-NGE96-820.jpg Photo Gallery