The tragic explosion that sank the Deepwater Horizon rig and caused a catastrophic oil discharge in the Gulf of Mexico set in motion an unprecedented response effort. A major concern throughout the 84-day emergency was finding and tracking the oil across the deep-ocean floor, and this required use of ROVs, AUVs and profiling instruments deployed from surface ships. No expense was spared, and everyone hopes the lessons learned will help prevent other accidents and prepare a more effective response should one occur.
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