Deepwater Horizon oil spil

From foreground, the mobile offshore drilling unit (MODU) Development Driller II prepares to drill a relief well at the site of the Deepwater Horizon oil spill May 18, 2010, as the MODU Q4000 holds position directly over a damaged blowout preventer and the drillship Discover Enterprise continues to capture oil from the ruptured riser. (DoD photo by Petty Officer 3rd Class Patrick Kelley, U.S. Coast Guard/Released)