The Transocean owned Deepwater Horizon suffered a catastrophic explosion on April 20th. That explosion is now under investigation by Homeland Security.
Eleven workers on the oil platform are missing and presumed dead.
The platform located in the Gulf of Mexico, 50 miles off the Louisiana shore in international waters, has subsequently sunk to the sea floor. Unable to turn off the wellhead valve the oil spill has reached wetlands in Louisiana.
Secratary of Defence Gates has dispatched 2 C130 aircraft to sprey oil dispersive chemical agents on the oil slick.