HOUMA, La. -- Gary Shigenaka, a biologist with the National Oceanic and Atmospheric Administration, and Coast Guard Petty Officer 2nd Class Cliff Fisher, a flight mechanic with Aviation Training Center Mobile, Ala., evaluate coastline conditions, May 1, 2010 in the wake of the Deepwater Horizon explosion and subsequent oil spill. The unified command for the response is aggressively working to help local communities by minimizing any environmental impact caused by the spill. U.S. Coast Guard photo by Petty Officer 3rd Class Stephen Lehmann.