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. 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 (2.23 MB) Tags: Photo Essays Credit: VIRIN: 046071-Q-VHN47-540.jpg Photo Gallery