Louisiana Oil Rig Explosion

The Deepwater Horizon oil rig burns out of control in the Gulf of Mexico on Thursday, April 22, 2010.

The Deepwater Horizon oil rig burns and begins to collapse into the Gulf of Mexico on Thursday, April 22, 2010.

Response boats work to clean up oil where the Deepwater Horizon oil rig sank on Thursday, April 22, 2010, in the Gulf of Mexico.

In this aerial photo taken on Wednesday, April 21, 2010, in the Gulf of Mexico, more than 50 miles southeast of Venice on Louisiana's tip, the Deepwater Horizon oil rig burns.

In this aerial photo taken Wednesday, April 21, 2010, in the Gulf of Mexico, more than 50 miles southeast of Venice on Louisiana's tip, the Deepwater Horizon oil rig burns.

Rescue ships attempt to put out fires on the Deepwater Horizon oil rig, Thursday, April 22, 2010.

This Wednesday, April 21, 2010, aerial photo shows oil in the Gulf of Mexico, more than 50 miles southeast of Venice on Louisiana's tip, as the Deepwater Horizon oil rig burns.

Smoke from Deepwater Horizon oil rig fills the horizon as rescue ships attempt to control the blaze of the oil rig, Thursday, April 23, 2010.

Rescue boats spray the fire on the Deepwater Horizon oil rig, Thursday, April 23, 2010.

The Deepwater Horizon oil rig burns and begins to collapse into the Gulf of Mexico, Thursday, April 22, 2010.

In this aerial photo taken in the Gulf of Mexico, more than 50 miles southeast of Venice on Louisiana's tip, the Deepwater Horizon oil rig is seen burning, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

This aerial photo shows smoke rising from the the Deepwater Horizon oil rig, burning in the Gulf of Mexico, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

An aerial photo shows the the Deepwater Horizon oil rig burning in the Gulf of Mexico following a large explosion, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

Smoke rises from the the Deepwater Horizon oil rig, burning in the Gulf of Mexico, some 50 miles southeast of Venice on Louisiana's tip, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

Smoke rises from the Deepwater Horizon oil rig in the Gulf of Mexico, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

The Deepwater Horizon oil rig is seen burning in the Gulf of Mexico following an explosion, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

In this aerial photo taken in the Gulf of Mexico, crews try to extinguish flames shooting from the Deepwater Horizon oil rig, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

The Deepwater Horizon oil rig is seen burning in the Gulf of Mexico, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

In this aerial photo taken in the Gulf of Mexico more than 50 miles southeast of Venice on Louisiana's tip, the Deepwater Horizon oil rig is seen burning, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

Smoke rises from the Deepwater Horizon oil rig in the Gulf of Mexico, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

Smoke and flames shoot from the Deepwater Horizon oil rig in the Gulf of Mexico, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

In this aerial photo taken in the Gulf of Mexico more than 50 miles southeast of Venice on Louisiana's tip, the Deepwater Horizon oil rig is seen burning, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

This image provided by the U.S. Coast Guard shows fire boat response crews battling the blazing remnants of the off shore oil rig Deepwater Horizon, April 21, 2010.

Oil Rig Explosion Survivors Back on Land

Family members of Eugene Moss, 37, of Jayess, Miss., who was on the Deepwater Horizon oil rig that exploded in the Gulf of Mexico, read news on their PDA's as they await his arrival with fellow crew members who were safely evacuated, in New Orleans, April 21, 2010. Left to right are David Sneathern, nephew, his fiance Crystal Buffington, and Eugene's daughter Jasmyn Moss.

Oil Rig Explosion Survivors Back on Land

Workers who were rescued from the Deepwater Horizon oil drilling platform depart with family members from Port Fourchon, La., April 22, 2010. The buses carrying the survivors of a thunderous blast aboard the oil platform off the Louisiana coast are headed to a suburban New Orleans hotel where their families are waiting to greet them. The platform exploded off the coast of Louisiana, and 11 workers remain missing.

Oil Rig Explosion Survivors Back on Land