CARBON CONCENTRATION A U.S. sailor welds a piece of stainless steel to carbon aboard the aircraft carrier USS George H.W. Bush under way in the Arabian Gulf, Nov. 4, 2011. The George H.W. Bush is deployed to the U.S. 5th Fleet area of responsibility on its first operational deployment conducting maritime security operations and support missions as part of operations Enduring Freedom and New Dawn. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 439272-G-YGG59-703.jpg Photo Gallery