DIPLOMA DAY A diploma is displayed at the graduation ceremony for an advanced investigators course at a dining facility on Al Asad Air Base, Iraq, Dec. 17, 2009. Thirteen Iraqi policemen graduated from the four-day course, where they learned advanced fingerprinting, interrogation, photography and evidence gathering skills from U.S. servicemembers. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 837694-O-BKD08-494.jpg Photo Gallery