FIRST PLEDGE U.S. troops from all over Iraq say the Pledge of Allegiance for the first time as U.S. citizens on Camp Victory in Baghdad, July 4, 2010. Vice President Joe Biden and his wife, Dr. Jill Biden, and U.S. Army Gen. Raymond T. Odierno, commanding general of U.S. Forces Iraq, participated in the event in which 156 troops became U.S. citizens. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 176876-N-NTJ54-576.jpg Photo Gallery