Conduct sub-surface oil surveillance near Dauphin Island

DAUPHIN ISLAND, Ala.--Charles Wight, from Fort Lauderdale, Fla., and Joe Festa, from Millington, Tenn., from the Center for Toxicology and Environmental Health, conduct sub-surface oil surveillance near Dauphin Island in the southwestern corner of Mobile Bay, Ala., Aug. 26, 2010.Sub-surface oil assessment is a critical step in the Deepwater Horizon oil spill response, allowing responders to thoroughly map, track and collect crucial underwater data.U.S. Coast Guard photo by Petty Officer 2nd Class Annie R. B. Elis.