Fire boat response crews battle the blazing remnants of the offshore oil rig Deepwater Horizon, off Louisiana, in this handout photograph taken on April 21, 2010 and obtained on April 22. Eleven workers were missing and 17 injured in an explosion at the Transocean oil drilling rig, and crews were fighting the fire 16 hours later, the U.S. Coast Guard said on Wednesday. An estimated 126 people were aboard the Deepwater Horizon at the time of the explosion. Picture taken April 21, 2010. Reuters Pictures logo Reuters Pictures 22 months ago

Fire boat response crews battle the blazing remnants of the offshore oil rig Deepwater Horizon, off Louisiana, in this handout photograph taken on April 21, 2010 and obtained on April 22. Eleven workers were missing and 17 injured in an explosion at the Transocean oil drilling rig, and crews were fighting the fire 16 hours later, the U.S. Coast Guard said on Wednesday. An estimated 126 people were aboard the Deepwater Horizon at the time of the explosion. Picture taken April 21, 2010.