Crew members from Marine Vessel Braxton Perry recover a deflection boom after three days of controlled burns in the Gulf of Mexico. The U.S. Coast Guard is working in partnership with BP PLC, local residents and other federal agencies to conduct "in situ burning" to help prevent the spread of oil following the April 20 explosion on Mobile Offshore Drilling Unit Deepwater Horizon. (U.S. Navy photo by Petty Officer 2nd Class Justin Stumberg)