National Incident Commander Admiral Thad Allen Observes Sub-Surface Oil Monitoring in Grand Isle, La 0
GULF OF MEXICO – National Incident Commander Admiral Thad Allen, National Oceanic and Atmospheric Administration scientist Sam Walker, Head of NOAA Corps., U.S. Coast Guard Rear Adm John Bailey, and Entrix staff scientist Chelsea Murphy answer questions about snare sentinel boom operations near Grand Isle, La., Sept 14, 2010. Snare sentinel boom was deployed along the coast of Louisiana to help detect and track the presence of sub-surface oil remaining from the spill. U.S. Coast Guard Video by Petty Officer 2nd Class Etta Smith.
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