In Aug. Ô05, Hurricane Katrina (HK) wreaked staggering physical destruction, flooded New Orleans, killed 1,300 people, & became the most destructive natural disaster in Amer. history. This report stems from a comprehensive review of the Fed. response to HK. Provides a historical comparison both of HK & the resultant flood. There was fundamental confusion in the Fed. planning, potential shortcomings in the applicability of plans, & catastrophic widespread incidents. Includes a detailed, analytical, narrative chronology of HK. Describes the 17 most critical challenges that were problematic before, during, & after HK's landfall. Describes the remedies for fixing the problems that HK exposed. Includes 125 specific recommendations distilled from a 4-month review.