ANKLE DEEP U.S. Air Force airmen push, smooth and edge wet concrete around the side of a new pad to ensure even dispersion at Balad Air Base, Iraq, May 13, 2008. The airmen are assigned to the 332nd Expeditionary Civil Engineer Squadron heavy equipment operators. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 137989-U-OYG86-739.jpg Photo Gallery