ORANGE BEACH, AL (May 8, 2010) - BP contracted workers move oil containment booms from shore to sea to prepare for the possible landfall of oil after the Deepwater Horizon oil rig sank. Deepwater Horizon was an ultra deepwater oil rig that sank April 22, 2010, causing an oil spill near the U.S. Gulf Coast. (USN) 10Spill0508-N-6430R-093