KENNER, La. Christopher Haire, a cementer with Halliburton, discusses, May 28, 2010, what transpired aboard the Deepwater Horizon rig when it exploded, April 20. The Coast Guard and Minerals Management Service are co-chairing the joint investigation launched to determine the cause of the initial incident and fire aboard the mobile offshore drilling unit (MODU) Deepwater Horizon. (USCG) 10Spill0528-G-1035O-039
