HOUMA, La. Oil dispersant is carefully pumped from tanks into a Basler BT-67 fixed wing aircraft by workers at a hanger in Houma, May 5, 2010. The aircraft is fitted with a spray delivery system and will deploy its payload over oil discharged from the mobile offshore oil drilling unit, Deepwater Horizon. U.S. Coast Guard photo by Petty Officer 3rd Class Stephen Lehmann.