ICE DRILL U.S. Air Force Airman 1st Class Caleb Hurley drills a hole in the Chena River in Fairbanks, Alaska, Nov. 24, 2008. Hurley, who is assigned to the 354th Civil Engineer Squadron, was working during the first phase of building an ice bridge to provide the squadron with access to perform annual maintenance on Eielson Air Force Base's training and bombing ranges. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 445747-L-WXG44-201.jpg Photo Gallery