GREEN TEAM U.S. Navy sailors set up an emergency barricade during flight deck safety drills aboard the aircraft carrier USS George H.W. Bush in the Arabian Gulf, July 6, 2011. The George H.W. Bush is deployed supporting maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility on its first operational deployment. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 899219-E-HAZ90-839.jpg Photo Gallery