CAUTIOUS INVESTIGATION U.S. Army Capt. Scott Edelein investigates a hole in the ground near a suspected weapons trafficking area in the Udaim River Valley area of Diyala province, Iraq, Dec. 11, 2008. U.S. soldiers of the 25th Infantry Division's 1st Battalion, 24th Infantry Regiment, and Iraqi soldiers searched for enemy weapons caches and transport routes. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 622039-W-WED68-589.jpg Photo Gallery